👻 Update gitignore file (#636)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

* **Chores**
* Updated file exclusions to prevent `CLAUDE.md` and files starting with
`.claude` from being tracked by version control.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Signed-off-by: Ian Bolton <[email protected]>

Author: ibolton336

.gitignore

@@ -7,6 +7,8 @@ downloaded_cache/
 vscode/jdtls-plugin/
 .idea/
 *.vsix
+CLAUDE.md
+.claude*
 
 # TypeScript build info
 **/tsconfig.tsbuildinfo