Merge pull request Expensify#67972 from Expensify/jules-excludeClaudeFiles

[NO QA] Ignore files generated by Claude from git

Author: marcochavezf

.gitignore

@@ -153,3 +153,6 @@ react-compiler-output.txt
 
 # Generated by bob (for Nitro modules)
 modules/*/lib/
+
+# Claude Code files
+.claude/