Update project documentation and scripts for improved setup and bilingual support

- Enhanced `README.md` with a quick start guide and detailed project structure.
- Updated `SETUP_GUIDE.md` by removing it as it was redundant.
- Improved `local-development.md` and `development.md` with clearer instructions for database migrations.
- Added bilingual comments in various scripts for better understanding and usability.
- Updated `.gitignore` to include specific build scripts while ignoring others.
- Enhanced `scripts` for database management, including backup and seeding functionalities with bilingual support.

scripts/dev/start-service.sh

@@ -4,6 +4,8 @@ set -e
 
 SERVICE=$1
 
+# EN: Validate arguments
+# VI: Xác thực tham số
 if [ -z "$SERVICE" ]; then
     echo "Usage: $0 <service-name>"
     echo "Example: $0 auth-service"
@@ -12,7 +14,8 @@ fi
 
 echo "🚀 Starting $SERVICE..."
 
-# Check if service exists
+# EN: Check if service exists
+# VI: Kiểm tra xem service có tồn tại không
 if [ ! -d "services/$SERVICE" ]; then
     echo "❌ Service $SERVICE not found"
     exit 1