feat: add Docker Compose setup with Dockerfiles for all services

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

scripts/migrate-and-start.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+set -e
+
+echo "Running database migrations..."
+npx prisma migrate deploy --schema=prisma/schema.prisma
+
+echo "Starting server..."
+cd /app/packages/server
+exec node dist/index.js