docs: update readme (#32084)

PR Close #32084

.pullapprove.yml

@@ -1121,6 +1121,7 @@ groups:
           'docs/SAVED_REPLIES.md',
           'docs/TOOLS.md',
           'docs/TRIAGE_AND_LABELS.md',
+          'docs/images/**',
           'goldens/*',
           'modules/*',
           'packages/*',

README.md

@@ -1,27 +1,151 @@
-[![CircleCI](https://circleci.com/gh/angular/angular/tree/master.svg?style=shield)](https://circleci.com/gh/angular/workflows/angular/tree/master)
-[![Discord](https://img.shields.io/discord/463752820026376202.svg?label=&logo=discord&logoColor=ffffff&color=7389D8&labelColor=6A7EC2)](https://discord.gg/angular)
-[![Join the chat at https://gitter.im/angular/angular](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/angular/angular?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
-[![npm version](https://badge.fury.io/js/%40angular%2Fcore.svg)](https://www.npmjs.com/@angular/core)
+<h1 align="center">Angular - One framework. Mobile & desktop.</h1>
 
+<p align="center">
+  <img src="aio/src/assets/images/logos/angular/angular.png" alt="angular-logo" width="120px" height="120px"/>
+  <br>
+  <i>Angular is a development platform for building mobile and desktop web applications
+    <br> using Typescript/JavaScript and other languages.</i>
+  <br>
+</p>
 
-# Angular
+<p align="center">
+  <a href="https://www.angular.io"><strong>www.angular.io</strong></a>
+  <br>
+</p>
 
-Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages.
+<p align="center">
+  <a href="CONTRIBUTING.md">Contributing Guidelines</a>
+  ·
+  <a href="https://github.com/angular/angular/issues">Submit an Issue</a>
+  ·
+  <a href="https://blog.angular.io/">Blog</a>
+  <br>
+  <br>
+</p>
+
+<p align="center">
+  <a href="https://circleci.com/gh/angular/workflows/angular/tree/master">
+    <img src="https://img.shields.io/circleci/build/github/angular/angular/master.svg?logo=circleci&logoColor=fff&label=CircleCI" alt="CI status" />
+  </a>&nbsp;
+  <a href="https://www.npmjs.com/@angular/core">
+    <img src="https://img.shields.io/npm/v/@angular/core.svg?logo=npm&logoColor=fff&label=NPM+package&color=limegreen" alt="Angular on npm" />
+  </a>&nbsp;
+  <a href="https://discord.gg/angular">
+    <img src="https://img.shields.io/discord/463752820026376202.svg?logo=discord&logoColor=fff&label=Discord&color=7389d8" alt="Discord conversation" />
+  </a>
+</p>
+
+<hr>
+
+## Documentation
+
+Get started with Angular, learn the fundamentals and explore advanced topics on our documentation website.
+
+- [Getting Started][quickstart]
+- [Architecture][architecture]
+- [Components and Templates][componentstemplates]
+- [Forms][forms]
+- [API][api]
+
+### Advanced
+
+- [Angular Elements][angularelements]
+- [Server Side Rendering][ssr]
+- [Schematics][schematics]
+- [Lazy Loading][lazyloading]
+
+## Development Setup
+
+### Prerequisites
+
+- Install [Node.js] which includes [Node Package Manager][npm]
+
+### Setting Up a Project
+
+Intall the Angular CLI globally:
+
+```
+npm install -g @angular/cli
+```
+
+Create workspace:
+
+```
+ng new [PROJECT NAME]
+```
+
+Run the application:
+
+```
+cd [PROJECT NAME]
+ng serve
+```
 
 ## Quickstart
 
 [Get started in 5 minutes][quickstart].
 
+## Ecosystem
+
+<p>
+  <img src="/docs/images/angular-ecosystem-logos.png" alt="angular ecosystem logos" width="500px" height="auto">
+</p>
+
+- [Angular Command Line (CLI)][cli]
+- [Angular Material][angularmaterial]
+
 ## Changelog
 
 [Learn about the latest improvements][changelog].
 
-## Want to help?
+## Upgrading
+
+Check out our [upgrade guide](https://update.angular.io/) to find out the best way to upgrade your project.
+
+## Contributing
+
+### Contributing Guidelines
+
+Read through our [contributing guidelines][contributing] to learn about our submission process, coding rules and more.
+
+### Want to Help?
+
+Want to file a bug, contribute some code, or improve documentation? Excellent! Read up on our guidelines for [contributing][contributing] and then check out one of our issues in the [hotlist: community-help](https://github.com/angular/angular/labels/hotlist%3A%20community-help).
+
+### Code of Conduct
+
+Help us keep Angular open and inclusive. Please read and follow our [Code of Conduct][codeofconduct].
+
+## Community
+
+Join the conversation and help the community.
+
+- [Twitter][twitter]
+- [Gitter][gitter]
+- Find a Local [Meetup][meetup]
+
+[![Love Angular badge](https://img.shields.io/badge/angular-love-blue?logo=angular&angular=love)](https://www.github.com/angular/angular)
 
-Want to file a bug, contribute some code, or improve documentation? Excellent! Read up on our
-guidelines for [contributing][contributing] and then check out one of our issues in the [hotlist: community-help](https://github.com/angular/angular/labels/hotlist%3A%20community-help).
+**Love Angular? Give our repo a star :star: :arrow_up:.**
 
-[contributing]: https://github.com/angular/angular/blob/master/CONTRIBUTING.md
+[contributing]: CONTRIBUTING.md
 [quickstart]: https://angular.io/start
-[changelog]: https://github.com/angular/angular/blob/master/CHANGELOG.md
+[changelog]: CHANGELOG.md
 [ng]: https://angular.io
+[documentation]: https://angular.io/docs
+[angularmaterial]: https://material.angular.io/
+[cli]: https://cli.angular.io/
+[architecture]: https://angular.io/guide/architecture
+[componentstemplates]: https://angular.io/guide/displaying-data
+[forms]: https://angular.io/guide/forms-overview
+[api]: https://angular.io/api
+[angularelements]: https://angular.io/guide/elements
+[ssr]: https://angular.io/guide/universal
+[schematics]: https://angular.io/guide/schematics
+[lazyloading]: https://angular.io/guide/lazy-loading-ngmodules
+[node.js]: https://nodejs.org/
+[npm]: https://www.npmjs.com/get-npm
+[codeofconduct]: CODE_OF_CONDUCT.md
+[twitter]: https://www.twitter.com/angular
+[gitter]: https://gitter.im/angular/angular
+[meetup]: https://www.meetup.com/find/?keywords=angular"