Update 'README.md'

README.md

@@ -11,6 +11,7 @@ ___
 ## Per Diem
 - [ChatGPT](http://lucasstinchcombe.github.io/?url=chat.openai.com)
 - [Pomodoro](http://lucasstinchcombe.github.io/?url=pomodoro-tracker.com)
+- [Discord](https://discord.com/app)
 - [Pluralistic](https://pluralistic.net/)
 - [Wikileaks](https://wikileaks.org/)
 - [Not Even Wrong](https://www.math.columbia.edu/~woit/wordpress/)