Updated Discord Invite URL

Author: ThatSINEWAVE

README.md

@@ -101,6 +101,6 @@ A collection of specialized Python tools for processing, validating, and analyzi
 
 ## [Support my work on Ko-Fi](https://ko-fi.com/thatsinewave)
 
-## [Join my Discord server](https://discord.gg/2nHHHBWNDw)
+## [Join my Discord server](https://discord.gg/3nUBKvuBgC)
 
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