basic frontend (#3)

Co-authored-by: aovantsev <aovantsev@avito.ru>
Reviewed-on: #3

scripts/staging.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+# Staging environment script
+
+echo "🚀 Starting Counter app in staging mode..."
+
+# Set environment
+export ENVIRONMENT=staging
+
+# Start with staging configuration
+docker-compose -f docker-compose.yml -f docker-compose.staging.yml up --build -d