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/jest.config.js

@@ -0,0 +1,29 @@
+module.exports = {
+  moduleFileExtensions: ['js', 'json', 'ts'],
+  rootDir: 'src',
+  testRegex: '.*\\.spec\\.ts$',
+  transform: {
+    '^.+\\.(t|j)s$': 'ts-jest',
+  },
+  collectCoverageFrom: [
+    '**/*.(t|j)s',
+    '!**/*.module.ts',
+    '!**/node_modules/**',
+    '!**/dist/**',
+  ],
+  coverageDirectory: '../coverage',
+  testEnvironment: 'node',
+  roots: ['<rootDir>', '<rootDir>/../test'],
+  moduleNameMapper: {
+    '^@/(.*)$': '<rootDir>/$1',
+    '^@config/(.*)$': '<rootDir>/config/$1',
+    '^@common/(.*)$': '<rootDir>/common/$1',
+    '^@modules/(.*)$': '<rootDir>/modules/$1',
+    '^@database/(.*)$': '<rootDir>/database/$1',
+    '^@blockchain/(.*)$': '<rootDir>/blockchain/$1',
+    '^@storage/(.*)$': '<rootDir>/storage/$1',
+    '^@queue/(.*)$': '<rootDir>/queue/$1',
+  },
+  coveragePathIgnorePatterns: ['/node_modules/'],
+  testPathIgnorePatterns: ['/node_modules/', '/dist/'],
+};