Feature/5 dockerize

[TunixR]

This pull request includes significant changes to migrate the project from a Node.js-based setup to a Rust-based setup. The most important changes include modifications to the Docker setup, updates to the project dependencies and build commands, and adjustments to the configuration files to align with the new Rust environment.

Migration to Rust:

• Dockerfile: Replaced the Node.js base image and setup with a Rust-based build process, including a multi-stage Docker build for the Rust project.
• README.md: Updated the installation, development, and production instructions to use Rust commands (cargo) instead of Node.js commands (npm).

Configuration Updates:

• .github/workflows/docker-deploy.yml: Updated the Docker image names to api-gateway to reflect the new project name.
• config.yaml.example: Renamed and updated the configuration file to use 0.0.0.0 as the API gateway URL.

Docker and Environment Setup:

• docker-compose.yml: Removed the MongoDB service and updated the service name and configuration for the new api-gateway.

Code Adjustments:

• src/config/parser.rs: load_config now reads from a preloaded &str value representing the contents of config.yaml to allow reading the configuration in production.
• src/main.rs: Modified the main function to load the configuration from an included string instead of a file.

[alvarobernal2412]

It looks very good, however, there are still a couple of things to be polished up

[adrrf]

nice

[alvarobernal2412]