Add distribution folder back to .gitignore and remove tracked files

- Added 'distribution' back to .gitignore
- Removed distribution files from git tracking (using git rm --cached)
- Distribution files will be generated during build but not committed to version control

Co-authored-by: fregante <1402241+fregante@users.noreply.github.com>

Author: Copilot

.gitignore

@@ -8,6 +8,7 @@ Thumbs.db
 *.log
 logs
 *.map
+distribution
 dist
 .cache
 .parcel-cache