feat: Goa GEL Blockchain e-Licensing Platform - Full Stack Implementation

Complete implementation of the Goa Government e-Licensing platform with:

Backend:
- NestJS API with JWT authentication
- PostgreSQL database with Knex ORM
- Redis caching and session management
- MinIO document storage
- Hyperledger Besu blockchain integration
- Multi-department workflow system
- Comprehensive API tests (266/282 passing)

Frontend:
- Angular 21 with standalone components
- Angular Material + TailwindCSS UI
- Visual workflow builder
- Document upload with progress tracking
- Blockchain explorer integration
- Role-based dashboards (Admin, Department, Citizen)
- E2E tests with Playwright (37 tests)

Infrastructure:
- Docker Compose orchestration
- Blockscout blockchain explorer
- Development and production configurations

backend/scripts/init-db.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+set -e
+
+echo "🔄 Waiting for database to be ready..."
+until PGPASSWORD=$DATABASE_PASSWORD psql -h "$DATABASE_HOST" -U "$DATABASE_USER" -d "$DATABASE_NAME" -c '\q' 2>/dev/null; do
+  echo "⏳ PostgreSQL is unavailable - sleeping"
+  sleep 2
+done
+
+echo "✅ PostgreSQL is up - checking if database is initialized..."
+
+# Check if users table exists (indicating database is already set up)
+TABLE_EXISTS=$(PGPASSWORD=$DATABASE_PASSWORD psql -h "$DATABASE_HOST" -U "$DATABASE_USER" -d "$DATABASE_NAME" -tAc "SELECT EXISTS (SELECT FROM information_schema.tables WHERE table_name = 'users');" 2>/dev/null || echo "f")
+
+if [ "$TABLE_EXISTS" = "t" ]; then
+  echo "✅ Database already initialized, skipping setup."
+else
+  echo "📦 First time setup - creating tables and seeding data..."
+
+  # Run the SQL scripts directly
+  echo "Creating tables..."
+  PGPASSWORD=$DATABASE_PASSWORD psql -h "$DATABASE_HOST" -U "$DATABASE_USER" -d "$DATABASE_NAME" -f /app/scripts/create-all-tables.sql
+
+  echo "🌱 Seeding initial data..."
+  PGPASSWORD=$DATABASE_PASSWORD psql -h "$DATABASE_HOST" -U "$DATABASE_USER" -d "$DATABASE_NAME" -f /app/scripts/seed-initial-data.sql
+
+  echo "✅ Database initialized successfully!"
+fi
+
+echo "✅ Database ready!"