chore: add .claude/ to .gitignore

Prevent Claude Code settings from being accidentally committed.

Author: jimisola

.gitignore

@@ -216,4 +216,6 @@ poetry.toml
 # LSP config files
 pyrightconfig.json
 
-# End of https://www.toptal.com/developers/gitignore/api/java,maven,python
+# End of https://www.toptal.com/developers/gitignore/api/java,maven,python
+# Claude Code
+.claude/