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/docker/besu/config.toml

@@ -0,0 +1,50 @@
+[Node]
+data-path="/var/lib/besu"
+p2p-port=30303
+p2p-host="0.0.0.0"
+rpc-http-enabled=true
+rpc-http-host="0.0.0.0"
+rpc-http-port=8545
+rpc-http-api=["ETH", "NET", "WEB3", "ADMIN", "QBFT"]
+rpc-http-cors-origins=["http://localhost:3000", "http://localhost:3001", "http://localhost:8080"]
+rpc-ws-enabled=true
+rpc-ws-host="0.0.0.0"
+rpc-ws-port=8546
+rpc-ws-api=["ETH", "NET", "WEB3", "ADMIN", "QBFT"]
+graphql-http-enabled=false
+sync-mode="FAST"
+pruning-enabled=true
+pruning-blocks-retained=1024
+block-gas-limit=6000000
+max-peers=30
+max-inbound-connections=10
+max-outbound-connections=20
+min-block-fill-percentage=80
+miner-enabled=false
+discovery-enabled=true
+discovery-dns-url="enrtree://AKA3AM_xupxQufGBg7EspalDjrWT0RD94jj_qc52cpgfUmu@nodes.goa-gel.gov.in"
+logging="INFO"
+host-allowlist=["localhost", "127.0.0.1", "besu-validator-1", "besu-validator-2", "besu-validator-3", "besu-validator-4"]
+
+[Network]
+bootnodes=[
+  "enode://9723eb17ebf1d4d00aba7d9c1bf7b9e5ceae8e4f4cf9f9a6e8f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f@besu-validator-1:30303",
+  "enode://2711dc881909b83b5ec4009e8815ebdcf7eaea3c1f4cf9f9a6e8f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f@besu-validator-2:30303",
+  "enode://27c0ca7c79b26c325581434091beb595f38e8abc1f4cf9f9a6e8f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f@besu-validator-3:30303",
+  "enode://d96245571cac7631eac214ba82cbf90f1f1ea2811f4cf9f9a6e8f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f8e7f@besu-validator-4:30303"
+]
+
+[Consensus]
+consensus="qbft"
+
+[Metrics]
+metrics-enabled=true
+metrics-host="0.0.0.0"
+metrics-port=9545
+metrics-protocol="PROMETHEUS"
+
+[Privacy]
+privacy-enabled=false
+
+[Gas]
+target-gas-limit=6000000