docs(v2): Added twitter badge and modified discord Badges (#3248)

* Update README.md

* Update README.md

README.md

@@ -4,12 +4,13 @@
 </h1>
 
 <p align="center">
+  <a href="https://twitter.com/docusaurus"><img src="https://img.shields.io/twitter/follow/docusaurus.svg?style=social" align="right" alt="Twitter Follow" /></a>
   <a href="#backers" alt="sponsors on Open Collective"><img src="https://opencollective.com/Docusaurus/backers/badge.svg" /></a>
   <a href="#sponsors" alt="Sponsors on Open Collective"><img src="https://opencollective.com/Docusaurus/sponsors/badge.svg" /></a>
   <a href="https://www.npmjs.com/package/docusaurus"><img src="https://img.shields.io/npm/v/docusaurus.svg?style=flat" alt="npm version"></a>
   <a href="https://circleci.com/gh/facebook/docusaurus"><img src="https://img.shields.io/circleci/build/github/facebook/docusaurus.svg" alt="CircleCI status"></a>
-<a href="CONTRIBUTING.md#pull-requests"><img src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg" alt="PRs Welcome"></a>
-  <a href="https://discord.gg/docusaurus"><img src="https://img.shields.io/badge/chat-on%20discord-7289da.svg" alt="Chat"></a>
+  <a href="CONTRIBUTING.md#pull-requests"><img src="https://img.shields.io/badge/PRs-welcome-brightgreen.svg" alt="PRs Welcome"></a>
+  <a href="https://discord.gg/docusaurus"><img src="https://img.shields.io/discord/102860784329052160.svg" align="right" alt="Discord Chat" /></a>
   <a href="https://github.com/prettier/prettier"><img alt="code style: prettier" src="https://img.shields.io/badge/code_style-prettier-ff69b4.svg"></a>
   <a href="https://github.com/facebook/jest"><img src="https://img.shields.io/badge/tested_with-jest-99424f.svg" alt="Tested with Jest"></a>
   <a href="https://gitpod.io/#https://github.com/facebook/docusaurus"><img src="https://img.shields.io/badge/Gitpod-Ready--to--Code-blue?logo=gitpod" alt="Gitpod Ready-to-Code"/></a>