notes/Rewriting TS.md

TS is currently written in Python, depending on a technically EOL version of the discord.py library. It has grown to a massive scale, and provides all of the functionality that is critical for the server, but has some downsides.

• The codebase is not documented very well, which makes changes to the core system difficult.
• Python suffers from performance issues that have proven be meaningful at the scale of the server (they have been addressed)
• The migration to a new discord,