Add playwright-report/ and test-results/ to .gitignore

These directories are generated by Playwright and should not be tracked.

https://claude.ai/code/session_01TAh7bmhCF5NV4Tn8CHuY34

Author: claude

.gitignore

@@ -18,4 +18,8 @@ venv/
 .env
 
 # nginx config
-lobby.local.conf
+lobby.local.conf
+
+# Playwright
+playwright-report/
+test-results/