docs: add mpv.launchMode to config docs, add changelog:docs generator, format

- Document the new mpv.launchMode option in the configuration docs page
- Add changelog:docs command to auto-generate docs-site/changelog.md from root CHANGELOG.md
- Add breaking changes support to the changelog fragment generator
- Fix docs-sync test to only compare current minor release headings
- Apply prettier formatting to source files

launcher/aniskip-metadata.ts

@@ -125,10 +125,7 @@ function titleOverlapScore(expectedTitle: string, candidateTitle: string): numbe
   if (!expected || !candidate) return 0;
 
   if (candidate.includes(expected)) return 120;
-  if (
-    candidate.split(' ').length >= 2 &&
-    ` ${expected} `.includes(` ${candidate} `)
-  ) {
+  if (candidate.split(' ').length >= 2 && ` ${expected} `.includes(` ${candidate} `)) {
     return 90;
   }