yeah you could at this into a .cursorrules file created at the root of your repository. or you could paste it in to cursor -> settings -> cursor settings -> rules for AI if you do not wanna use a rulesfile. you don’t need to specify any paths as I think cursor looks for that file by default.
However I believe having different prompts for different things instead of having one big system prompt for everything is a better approach. You can my response in a different question to see what I mean by different prompts AI git commit messages - #21 by gokcin