chore: ignore .serena/ and .DS_Store everywhere, untrack existing files

- .gitignore: add .serena/ and .DS_Store (both match at any depth)
- untrack 4 .serena files and 155 .DS_Store files (kept on disk)

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-07-07 11:42:40 +09:00
co-authored by Claude Opus 4.8
parent 0f22300489
commit 47dd16a43f
160 changed files with 6 additions and 298 deletions
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