chore: added English translation for the docs

CONTRIBUTING.en.md

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+# Contribution Guide
+Thank you for your valuable time. Your contributions will make this project better! Before submitting a contribution, please take some time to read the getting started guide below.
+
+## Semantic Versioning
+This project follows semantic versioning. We release patch versions for important bug fixes, minor versions for new features or non-important changes, and major versions for significant and incompatible changes.
+
+Each major change will be recorded in the `changelog`.
+
+## Submitting Pull Request
+1. Fork [this repository](https://github.com/Chanzhaoyu/chatgpt-web) and create a branch from `main`. For new feature implementations, submit a pull request to the `feature` branch. For other changes, submit to the `main` branch.
+2. Install the `pnpm` tool using `npm install pnpm -g`.
+3. Install the `Eslint` plugin for `VSCode`, or enable `eslint` functionality for other editors such as `WebStorm`.
+4. Execute `pnpm bootstrap` in the root directory.
+5. Execute `pnpm install` in the `/service/` directory.
+6. Make changes to the codebase. If applicable, ensure that appropriate testing has been done.
+7. Execute `pnpm lint:fix` in the root directory to perform a code formatting check.
+8. Execute `pnpm type-check` in the root directory to perform a type check.
+9. Submit a git commit, following the [Commit Guidelines](#commit-guidelines).
+10. Submit a `pull request`. If there is a corresponding `issue`, please link it using the [linking-a-pull-request-to-an-issue keyword](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword).
+
+## Commit Guidelines
+
+Commit messages should follow the [conventional-changelog standard](https://www.conventionalcommits.org/en/v1.0.0/):
+
+```bash
+<type>[optional scope]: <description>
+
+[optional body]
+
+[optional footer]
+```
+
+### Commit Types
+
+The following is a list of commit types:
+
+- feat: New feature or functionality
+- fix: Bug fix
+- docs: Documentation update
+- style: Code style or component style update
+- refactor: Code refactoring, no new features or bug fixes introduced
+- perf: Performance optimization
+- test: Unit test
+- chore: Other commits that do not modify src or test files
+
+
+## License
+
+[MIT](./license)

README.en.md

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+# ChatGPT Web
+
+<div style="font-size: 1.5rem;">
+  <a href="./README.md">中文</a> |
+  <a href="./README.en.md">English</a> 
+</div>
+</br>
+
+> Disclaimer: This project is only released on GitHub, under the MIT License, free and for open-source learning purposes. There will be no account selling, paid services, discussion groups, or forums. Beware of fraud.
+
+![cover](./docs/c1.png)
+![cover2](./docs/c2.png)
+
+- [ChatGPT Web](#chatgpt-web)
+	- [Introduction](#introduction)
+	- [Roadmap](#roadmap)
+	- [Prerequisites](#prerequisites)
+		- [Node](#node)
+		- [PNPM](#pnpm)
+		- [Fill in the Keys](#fill-in-the-keys)
+	- [Install Dependencies](#install-dependencies)
+		- [Backend](#backend)
+		- [Frontend](#frontend)
+	- [Run in Test Environment](#run-in-test-environment)
+		- [Backend Service](#backend-service)
+		- [Frontend Webpage](#frontend-webpage)
+	- [Packaging](#packaging)
+		- [Using Docker](#using-docker)
+			- [Docker Parameter Example](#docker-parameter-example)
+			- [Docker Build & Run](#docker-build--run)
+			- [Docker Compose](#docker-compose)
+		- [Deploying with Railway](#deploying-with-railway)
+			- [Railway Environment Variables](#railway-environment-variables)
+		- [Manual Packaging](#manual-packaging)
+			- [Backend Service](#backend-service-1)
+			- [Frontend Webpage](#frontend-webpage-1)
+	- [FAQ](#faq)
+	- [Contributing](#contributing)
+	- [Sponsor](#sponsor)
+	- [License](#license)
+
+## Introduction
+
+Supports dual models, provides two unofficial `ChatGPT API` methods:
+
+| Method                                        | Free?  | Reliability | Quality |
+| --------------------------------------------- | ------ | ----------- | ------- |
+| `ChatGPTAPI(gpt-3.5-turbo-0301)`                           | No     | Reliable    | Relatively clumsy |
+| `ChatGPTUnofficialProxyAPI(Web accessToken)` | Yes    | Relatively unreliable | Smart |
+
+Comparison:
+1. `ChatGPTAPI` uses `gpt-3.5-turbo-0301` to simulate `ChatGPT` through the official `OpenAI` completion `API` (the most reliable method, but it is not free and does not use models specifically tuned for chat).
+2. `ChatGPTUnofficialProxyAPI` accesses `ChatGPT`'s backend `API` via an unofficial proxy server to bypass `Cloudflare` (uses the real `ChatGPT`, is very lightweight, but depends on third-party servers and has rate limits).
+
+[Details](https://github.com/Chanzhaoyu/chatgpt-web/issues/138)
+
+Switching Methods:
+1. Go to the `service/.env` file.
+2. For `OpenAI API Key`, fill in the `OPENAI_API_KEY` field [(Get apiKey)](https://platform.openai.com/overview).
+3. For `Web API`, fill in the `OPENAI_ACCESS_TOKEN` field [(Get accessToken)](https://chat.openai.com/api/auth/session).
+4. When both are present, `OpenAI API Key` takes precedence.
+
+Reverse Proxy:
+
+Available when using `ChatGPTUnofficialProxyAPI`.
+
+```shell
+# service/.env
+API_REVERSE_PROXY=
+```
+
+Environment Variables:
+
+For all parameter variables, check [here](#docker-parameter-example) or see:
+
+```
+/service/.env
+```
+
+## Roadmap
+[✓] Dual models
+
+[✓] Multiple session storage and context logic
+
+[✓] Formatting and beautifying code-like message types
+
+[✓] Multilingual interface
+
+[✓] Interface themes
+
+[✗] More...
+
+## Prerequisites
+
+### Node
+
+`node` requires version `^16 || ^18` (`node >= 14` requires installation of [fetch polyfill](https://github.com/developit/unfetch#usage-as-a-polyfill)), and multiple local `node` versions can be managed using [nvm](https://github.com/nvm-sh/nvm).
+
+```shell
+node -v
+```
+
+### PNPM
+If you have not installed `pnpm` before:
+```shell
+npm install pnpm -g
+```
+
+### Fill in the Keys
+
+Get `Openai Api Key` or `accessToken` and fill in the local environment variables [jump](#introduction)
+
+```
+# service/.env file
+
+# OpenAI API Key - https://platform.openai.com/overview
+OPENAI_API_KEY=
+
+# change this to an `accessToken` extracted from the ChatGPT site's `https://chat.openai.com/api/auth/session` response
+OPENAI_ACCESS_TOKEN=
+```
+
+## Install Dependencies
+
+> To make it easier for `backend developers` to understand, we did not use the front-end `workspace` mode, but stored it in different folders. If you only need to do secondary development of the front-end page, delete the `service` folder.
+
+### Backend
+
+Enter the `/service` folder and run the following command
+
+```shell
+pnpm install
+```
+
+### Frontend
+Run the following command in the root directory
+```shell
+pnpm bootstrap
+```
+
+## Run in Test Environment
+### Backend Service
+
+Enter the `/service` folder and run the following command
+
+```shell
+pnpm start
+```
+
+### Frontend Webpage
+Run the following command in the root directory
+```shell
+pnpm dev
+```
+
+## Packaging
+
+### Using Docker
+
+#### Docker Parameter Example
+
+- `OPENAI_API_KEY` one of two
+- `OPENAI_ACCESS_TOKEN` one of two, `OPENAI_API_KEY` takes precedence when both are present
+- `OPENAI_API_BASE_URL` optional, available when `OPENAI_API_KEY` is set
+- `API_REVERSE_PROXY` optional, available when `OPENAI_ACCESS_TOKEN` is set [Reference](#introduction)
+- `TIMEOUT_MS` timeout, in milliseconds, optional
+- `SOCKS_PROXY_HOST` optional, effective with SOCKS_PROXY_PORT
+- `SOCKS_PROXY_PORT` optional, effective with SOCKS_PROXY_HOST
+
+![docker](./docs/docker.png)
+
+#### Docker Build & Run
+
+```bash
+docker build -t chatgpt-web .
+
+# foreground operation
+docker run --name chatgpt-web --rm -it -p 3002:3002 --env OPENAI_API_KEY=your_api_key chatgpt-web
+
+# background operation
+docker run --name chatgpt-web -d -p 3002:3002 --env OPENAI_API_KEY=your_api_key chatgpt-web
+
+# running address
+http://localhost:3002/
+```
+
+#### Docker Compose
+
+[Hub Address](https://hub.docker.com/repository/docker/chenzhaoyu94/chatgpt-web/general)
+
+```yml
+version: '3'
+
+services:
+  app:
+    image: chenzhaoyu94/chatgpt-web # always use latest, pull the tag image again when updating
+    ports:
+      - 3002:3002
+    environment:
+      # one of two
+      OPENAI_API_KEY: xxxxxx
+      # one of two
+      OPENAI_ACCESS_TOKEN: xxxxxx
+      # api interface url, optional, available when OPENAI_API_KEY is set
+      OPENAI_API_BASE_URL: xxxx
+      # reverse proxy, optional
+      API_REVERSE_PROXY: xxx
+      # timeout, in milliseconds, optional
+      TIMEOUT_MS: 60000
+      # socks proxy, optional, effective with SOCKS_PROXY_PORT
+      SOCKS_PROXY_HOST: xxxx
+      # socks proxy port, optional, effective with SOCKS_PROXY_HOST
+      SOCKS_PROXY_PORT: xxxx
+```
+The `OPENAI_API_BASE_URL` is optional and only used when setting the `OPENAI_API_KEY`.
+
+### Deployment with Railway
+
+[![Deploy on Railway](https://railway.app/button.svg)](https://railway.app/new/template/yytmgc)
+
+#### Railway Environment Variables
+
+| Environment Variable | Required | Description                                                                                       |
+| -------------------- | -------- | ------------------------------------------------------------------------------------------------- |
+| `PORT`               | Required | Default: `3002`                                                                                   |
+| `TIMEOUT_MS`         | Optional | Timeout in milliseconds.                                                                          |
+| `OPENAI_API_KEY`     | Optional | Required for `OpenAI API`. `apiKey` can be obtained from [here](https://platform.openai.com/overview). |
+| `OPENAI_ACCESS_TOKEN`| Optional | Required for `Web API`. `accessToken` can be obtained from [here](https://chat.openai.com/api/auth/session).|
+| `OPENAI_API_BASE_URL`  | Optional, only for `OpenAI API` |  API endpoint.                                                        |
+| `API_REVERSE_PROXY`  | Optional, only for `Web API` | Reverse proxy address for `Web API`. [Details](https://github.com/transitive-bullshit/chatgpt-api#reverse-proxy) |
+| `SOCKS_PROXY_HOST`   | Optional, effective with `SOCKS_PROXY_PORT` | Socks proxy.                      |
+| `SOCKS_PROXY_PORT`   | Optional, effective with `SOCKS_PROXY_HOST` | Socks proxy port.                 |
+
+> Note: Changing environment variables in Railway will cause re-deployment.
+
+### Manual packaging
+
+#### Backend service
+
+> If you don't need the `node` interface of this project, you can skip the following steps.
+
+Copy the `service` folder to a server that has a `node` service environment.
+
+```shell
+# Install
+pnpm install
+
+# Build
+pnpm build
+
+# Run
+pnpm prod
+```
+
+PS: You can also run `pnpm start` directly on the server without packaging.
+
+#### Frontend webpage
+
+1. Modify `VITE_APP_API_BASE_URL` in `.env` at the root directory to your actual backend interface address.
+2. Run the following command in the root directory and then copy the files in the `dist` folder to the root directory of your website service.
+
+[Reference information](https://cn.vitejs.dev/guide/static-deploy.html#building-the-app)
+
+```shell
+pnpm build
+```
+
+## Frequently Asked Questions
+
+Q: Why does Git always report an error when committing?
+
+A: Because there is submission information verification, please follow the [Commit Guidelines](./CONTRIBUTING.en.md).
+
+Q: Where to change the request interface if only the frontend page is used?
+
+A: The `VITE_GLOB_API_URL` field in the `.env` file at the root directory.
+
+Q: All red when saving the file?
+
+A: For `vscode`, please install the recommended plug-in of the project or manually install the `Eslint` plug-in.
+
+Q: Why doesn't the frontend have a typewriter effect?
+
+A: One possible reason is that after Nginx reverse proxying, buffering is turned on, and Nginx will try to buffer a certain amount of data from the backend before sending it to the browser. Please try adding `proxy_buffering off;` after the reverse proxy parameter and then reloading Nginx. Other web server configurations are similar.
+
+## Contributing
+
+Please read the [Contributing Guidelines](./CONTRIBUTING.en.md) before contributing.
+
+Thanks to all the contributors!
+
+<a href="https://github.com/Chanzhaoyu/chatgpt-web/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=Chanzhaoyu/chatgpt-web" />
+</a>
+
+## Sponsorship
+
+If you find this project helpful and circumstances permit, you can give me a little support. Thank you very much for your support~
+
+<div style="display: flex; gap: 20px;">
+	<div style="text-align: center">
+		<img style="max-width: 100%" src="./docs/wechat.png" alt="WeChat" />
+		<p>WeChat Pay</p>
+	</div>
+	<div style="text-align: center">
+		<img style="max-width: 100%" src="./docs/alipay.png" alt="Alipay" />
+		<p>Alipay</p>
+	</div>
+</div>
+
+## License
+MIT © [ChenZhaoYu](./license)

README.md

@@ -1,5 +1,11 @@
 # ChatGPT Web
 
+<div style="font-size: 1.5rem;">
+  <a href="./README.md">中文</a> |
+  <a href="./README.en.md">English</a> 
+</div>
+</br>
+
 > 声明：此项目只发布于 Github，基于 MIT 协议，免费且作为开源学习使用。并且不会有任何形式的卖号、付费服务、讨论群、讨论组等行为。谨防受骗。
 
 ![cover](./docs/c1.png)