Docs: Change README.md to update to the latest vanity link (again)

README.md

@@ -5,7 +5,7 @@
 [![Android CI](https://github.com/PojavLauncherTeam/PojavLauncher/workflows/Android%20CI/badge.svg)](https://github.com/PojavLauncherTeam/PojavLauncher/actions)
 [![GitHub commit activity](https://img.shields.io/github/commit-activity/m/PojavLauncherTeam/PojavLauncher)](https://github.com/PojavLauncherTeam/PojavLauncher/actions)
 [![Crowdin](https://badges.crowdin.net/pojavlauncher/localized.svg)](https://crowdin.com/project/pojavlauncher)
-[![Discord](https://img.shields.io/discord/724163890803638273.svg?label=&logo=discord&logoColor=ffffff&color=7389D8&labelColor=6A7EC2)](https://discord.gg/PojavLauncher-724163890803638273) 
+[![Discord](https://img.shields.io/discord/724163890803638273.svg?label=&logo=discord&logoColor=ffffff&color=7389D8&labelColor=6A7EC2)](https://discord.gg/pojavlauncher) 
 [![Twitter Follow](https://img.shields.io/twitter/follow/plaunchteam?color=blue&style=flat-square)](https://twitter.com/PLaunchTeam)
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 * From [Boardwalk](https://github.com/zhuowei/Boardwalk)'s ashes here comes PojavLauncher!