Added invite link

I've added the invite link of NvChad discord and Changed the badge alt name to discord

README.md

@@ -32,7 +32,7 @@
             src="https://img.shields.io/github/license/siduck76/NvChad?style=flat-square&logo=GNU&label=License"
             alt="License"
     />
-[![Gitter](https://img.shields.io/discord/869557815780470834?color=738adb&label=Discord&logo=discord&logoColor=white&style=flat-square)](https://discord.com/channels/869557815780470834/869557816430563370)
+[![Discord](https://img.shields.io/discord/869557815780470834?color=738adb&label=Discord&logo=discord&logoColor=white&style=flat-square)](https://discord.gg/5Stgvfww)
 [![Neovim Minimum Version](https://img.shields.io/badge/Neovim-0.5+-blueviolet.svg?style=flat-square&logo=Neovim&logoColor=white)](https://github.com/neovim/neovim)
 [![GitHub Issues](https://img.shields.io/github/issues/siduck76/NvChad.svg?style=flat-square&label=Issues&color=fc0330)](https://github.com/siduck76/NvChad/issues)
 [![Last Commit](https://img.shields.io/github/last-commit/siduck76/NvChad.svg?style=flat-square&label=Last%20Commit&color=58eb34)](https://github.com/siduck76/NvChad/pulse)