docs: update README with new features and clarifications

Add environment variables and cookie management to key features
Update AST link to point to blog post about implementation
Clarify that only the routing system is based on Velocy

Author: LebCit

README.md

@@ -11,7 +11,7 @@ LiteNode is a lightweight and modular Node.js web framework designed to provide
     <a href="https://lebcit.github.io/posts/ultimate-markdown-based-application-tutorial-in-node-js/">Dive into My Ultimate Markdown-based Application Tutorial in Node.js!</a>
 </p>
 
-**BREAKING CHANGE:** As of LiteNode version 4.0.0, the integrated Simple Template Engine (STE) has been upgraded to a more powerful [AST-based](https://en.wikipedia.org/wiki/Abstract_syntax_tree) template engine. With this update, the engine's tags have been unified to a single signature, making it simpler and more efficient. There are also many new features to explore, so check out the [updated documentation](https://litenode.pages.dev/docs/rendering-templates/) to fully take advantage of these improvements.
+**BREAKING CHANGE:** As of LiteNode version 4.0.0, the integrated Simple Template Engine (STE) has been upgraded to a more powerful [AST-based](https://lebcit.github.io/posts/from-regexes-to-ast/) template engine. With this update, the engine's tags have been unified to a single signature, making it simpler and more efficient. There are also many new features to explore, so check out the [updated documentation](https://litenode.pages.dev/docs/rendering-templates/) to fully take advantage of these improvements.
 
 ## Installation
 
@@ -48,8 +48,10 @@ app.startServer()
 -   **Integrated Body Parser**: Simplify handling of POST requests with [LiteNode's integrated body parser](https://litenode.pages.dev/docs/body-parsing/), supporting `application/json`, `application/x-www-form-urlencoded`, and `multipart/form-data` content types.
 -   **Static Asset Loader**: Serve static files effortlessly with [LiteNode's built-in static asset loader](https://litenode.pages.dev/docs/serving-static-files/), without server restart.
 -   **Error Handling**: Customize [error handling](https://litenode.pages.dev/docs/error-handling/) with ease, ensuring robustness and reliability in your application.
--   **Templating**: LiteNode features an integrated, powerful [AST-based](https://en.wikipedia.org/wiki/Abstract_syntax_tree) template engine, called [STE](https://litenode.pages.dev/docs/rendering-templates/) (Simple Template Engine), for rendering HTML files.
+-   **Templating**: LiteNode features an integrated, powerful [AST-based](https://lebcit.github.io/posts/from-regexes-to-ast/) template engine, called [STE](https://litenode.pages.dev/docs/rendering-templates/) (Simple Template Engine), for rendering HTML files.
 -   **Markdown**: With [LiteNode's support for Markdown](https://litenode.pages.dev/docs/markdown/), you can easily create content-driven applications with rich text formatting.
+-   **Environment Variables**: LiteNode provides built-in support for [environment variables](https://litenode.pages.dev/docs/env-variables/) through `.env` files, allowing you to manage configuration without external dependencies.
+-   **Cookies**: LiteNode includes a comprehensive [cookie management system](https://litenode.pages.dev/docs/cookies/) that makes it easy to set, read, and manage cookies in your web applications.
 
 ## Strengths
 
@@ -64,7 +66,7 @@ LiteNode is a versatile and efficient web framework for Node.js, offering a rang
 
 ## Origins
 
-LiteNode is a powerful and flexible Node.js web framework built on the foundation of [Velocy](https://github.com/ishtms/velocy). It extends and improves upon Velocy's features to provide a seamless development experience for building web applications. You can read more about it in [LiteNode, Node.js Web Framework](https://lebcit.github.io/posts/litenode-nodejs-web-framework/).
+LiteNode is a powerful and flexible Node.js web framework. Its **routing system** is built on the foundation of [Velocy](https://github.com/ishtms/velocy). It extends and improves upon Velocy's features to provide a seamless development experience for building web applications. You can read more about it in [LiteNode, Node.js Web Framework](https://lebcit.github.io/posts/litenode-nodejs-web-framework/).
 
 ## License