fix(git): create global gitignore to suppress Claude Code worktree artifacts (#89)

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

Author: ChipWolf

home/dot_gitignore

@@ -0,0 +1,7 @@
+# Claude Code worktrees set core.hooksPath to a relative "dev/null" on
+# Windows, causing git-lfs to mkdir and drop hook stubs in ./dev/null/.
+# Ignore the directory globally so those stubs never appear as untracked.
+dev/null/
+
+# Claude Code local settings
+**/.claude/settings.local.json