🔧 chore: add test config files to .gitignore

Adds features/test-config.yaml and test-config.yaml to .gitignore
to prevent temporary BDD test configuration files from being
accidentally committed to the repository.

Generated by Mistral Vibe.
Co-Authored-By: Mistral Vibe <vibe@mistral.ai>

.gitignore

@@ -23,6 +23,10 @@ server.pid
 *.log
 pkg/server/docs/
 
+# BDD test files
+features/test-config.yaml
+test-config.yaml
+
 # CI/CD runner configuration
 config/runner
 .runner