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/docker-entrypoint.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+set -e
+
+echo "🚀 Starting Goa-GEL Backend Initialization..."
+
+# Function to check if this is first boot
+is_first_boot() {
+  if [ ! -f "/app/data/.initialized" ]; then
+    return 0  # true
+  else
+    return 1  # false
+  fi
+}
+
+# Ensure data directory exists
+mkdir -p /app/data
+
+# Ensure .env file exists
+touch /app/.env
+
+# 1. Wait for and initialize database
+echo "📊 Step 1: Database initialization..."
+chmod +x /app/scripts/init-db.sh
+/app/scripts/init-db.sh
+
+# 2. Initialize blockchain (only on first boot or if not configured)
+if is_first_boot || [ -z "$CONTRACT_ADDRESS_LICENSE_NFT" ] || [ "$CONTRACT_ADDRESS_LICENSE_NFT" = "0x0000000000000000000000000000000000000000" ]; then
+  echo "🔗 Step 2: Blockchain initialization..."
+  node /app/scripts/init-blockchain.js
+
+  # Mark as initialized
+  touch /app/data/.initialized
+  echo "✅ Blockchain initialization complete!"
+
+  # Reload environment variables
+  if [ -f "/app/.env" ]; then
+    export $(grep -v '^#' /app/.env | xargs)
+  fi
+else
+  echo "⏭️  Step 2: Blockchain already initialized"
+fi
+
+# 3. Start the application
+echo "🎯 Step 3: Starting NestJS application..."
+exec npm run start:prod