feat: ship blog platform admin and deploy stack

.gitignore

@@ -13,6 +13,16 @@ backend/target/
 backend/.loco-start.err.log
 backend/.loco-start.out.log
 backend/backend-start.log
+backend/*.log
+backend/*.err.log
+backend/*.out.log
 backend/storage/ai_embedding_models/
 backend-start.err
 backend-start.log
+
+# local deployment/runtime artifacts
+deploy/docker/.env
+deploy/docker/config.yaml
+admin/tmp-playwright.*
+lighthouse-*/
+lighthouse-*.json