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

.gitignore

@@ -0,0 +1,41 @@
+# Dependencies
+node_modules/
+
+# Environment files
+.env
+.env.local
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# Build outputs
+dist/
+build/
+
+# Logs
+*.log
+npm-debug.log*
+
+# Playwright
+.playwright-mcp/
+
+# Claude session files
+.claude/
+session-backups/
+
+# Temporary files
+*.tmp
+*.temp
+
+# Screenshots (development artifacts)
+*.png
+
+# Archives
+*.zip