Add a "mandatory PR contents" section in the contribution docs (#37259)
The LLM part is inspired by (and paraphrased from)
https://github.com/ghostty-org/ghostty?tab=contributing-ov-file#ai-assistance-notice
Release Notes:
- N/A
babc0c09f0Kirill Bulatov committed on 8/31/2025, 5:56:23 PM· committed by GitHubparent39d41ed