chore: Update .gitignore to ignore AI-related directories

- Add `.claude/` and `.codex/` to the list of ignored patterns.

Author: softartdev

.gitignore

@@ -84,3 +84,7 @@ kotlin-js-store/
 ### desktop
 # Code signing files (macOS)
 /app/desktop/macOS_development.p12
+
+# AI
+.claude/
+.codex/