Updated README.md (#6804)

* Updated README.md

Added the general features of web3.js in the npm package

* Put the features on top

* Update packages/web3/README.md

Co-authored-by: Junaid <86780488+jdevcs@users.noreply.github.com>

---------

Co-authored-by: Santiago Trujillo Zuluaga <santiago@chainsafe.io>
Co-authored-by: Junaid <86780488+jdevcs@users.noreply.github.com>

packages/web3/README.md

@@ -9,9 +9,24 @@
 [![NPM Package][npm-image]][npm-url]
 [![Downloads][downloads-image]][npm-url]
 
-This is the main package of [web3.js](repo).
-
-`web3` contains the ideal setup for a Web3.js package.
+This is the main package of [web3.js](repo), it contains a collection of comprehensive [TypeScript](https://www.typescriptlang.org/) libraries for Interaction with the [Ethereum JSON RPC API](https://ethereum.org/developers/docs/apis/json-rpc) and utility functions. 
+
+## Features
+
+- **Web3.js Plugins](https://docs.web3js.org/guides/web3_plugin_guide/)**: Enhance or add any functionality by creating scalable web3 plugins for any project.
+- **Abstractions over the [JSON-RPC API](https://ethereum.org/en/developers/docs/apis/json-rpc)**: Simplifying interaction for your Developer Experience.
+- **Language aligned to the official [Ethereum terminology](https://ethereum.org/en/glossary**
+- **Tree-shaking focus**: Include only what you need during bundling for optimized performance.
+- **Dynamic contract types and full API in TypeScript**: Enforced with strict types for enhanced security and safety.
+- **Complete utilities and functionalities for all your Ethereum needs**
+- **More efficient ABI Encoder & Decoder**
+- **Extensive [documentation](https://docs.web3js.org/) with guides and APIs**
+- **Large collection of test cases**
+- **First-class APIs for interacting with [Smart Contracts](https://ethereum.org/en/glossary#smart-contract**
+- **ESM and CJS module builds**: Support for both ECMAScript module and CommonJS module builds for flexible integration with various project setups.
+- **Contracts dynamic types](https://docs.web3js.org/guides/smart_contracts/infer_contract_types/) & full API in TypeScript**
+- **Using native BigInt instead of large BigNumber libraries**: Use native BigInt for improved efficiency compared to using large external BigNumber libraries.
+- **Custom Output formatters**: Format any returned value to be a string, number, BigInt, etc., providing flexibility in handling output data.
 
 ## Installation