Ignore local Claude Code config files

.mcp.json holds a plaintext Gitea access token and settings.local.json is
machine-specific, so neither belongs in the repo. Untrack settings.local.json
(it stays on disk) and ignore both.

Co-Authored-By: Claude <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GH8ZMRY3vhxxXcaUxBqxkk

.gitignore

@@ -1 +1,5 @@
 /build/
+
+# local Claude Code config (machine-specific; .mcp.json holds credentials)
+/.mcp.json
+/.claude/settings.local.json