🚀 Feature: Blog post on "If I Wrote a Linter" 4 - Summary

### Feature Request Checklist - [x] I have [searched for related issues](https://github.com/JoshuaKGoldberg/dot-com/issues?q=is%3Aissue) and found none that matched my issue. ### Overview This is the lightest post of the four. It would pull the things together and describe what I'm doing next. ### Additional Info 💖