Add test-unraid.sh to .gitignore

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: Mirko Haaser

.gitignore

@@ -14,3 +14,6 @@ test-config/
 # Environment
 .env
 *.env.local
+
+# Test scripts
+test-unraid.sh