chore: add SonarQube configuration to gitignore

Add SonarQube analysis artifacts to .gitignore:
- sonar-project.properties (project configuration)
- .scannerwork/ (scanner working directory)

This prevents committing code quality analysis artifacts to version control.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: vscarpenter

.gitignore

@@ -45,3 +45,7 @@ sync.md
 .claude/settings.local.json
 
 *.tsbuildinfo
+
+# SnoanQube
+sonar-project.properties
+.scannerwork