chore: ignore Claude settings file

Add .claude/settings.json to gitignore as it contains user-specific plugin preferences.

Co-Authored-By: Claude Sonnet 4.5 <[email protected]>

Author: lfilho

.gitignore

@@ -19,3 +19,6 @@ pnpm-debug.log*
 
 # macOS-specific files
 .DS_Store
+
+# claude settings (user-specific)
+.claude/settings.json