Initial implementation of Website Change Detection Monitor MVP

Features implemented:
- Backend API with Express + TypeScript
- User authentication (register/login with JWT)
- Monitor CRUD operations with plan-based limits
- Automated change detection engine
- Email alert system
- Frontend with Next.js + TypeScript
- Dashboard with monitor management
- Login/register pages
- Monitor history viewer
- PostgreSQL database schema
- Docker setup for local development

Technical stack:
- Backend: Express, TypeScript, PostgreSQL, Redis (ready)
- Frontend: Next.js 14, React Query, Tailwind CSS
- Database: PostgreSQL with migrations
- Services: Page fetching, diff detection, email alerts

Documentation:
- README with full setup instructions
- SETUP guide for quick start
- PROJECT_STATUS with current capabilities
- Complete technical specifications

Ready for local testing and feature expansion.

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

backend/package.json

@@ -0,0 +1,49 @@
+{
+  "name": "website-monitor-backend",
+  "version": "1.0.0",
+  "description": "Backend API for Website Change Detection Monitor",
+  "main": "dist/index.js",
+  "scripts": {
+    "dev": "tsx watch src/index.ts",
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "migrate": "tsx src/db/migrate.ts",
+    "test": "jest",
+    "lint": "eslint src --ext .ts"
+  },
+  "keywords": ["website", "monitor", "change-detection"],
+  "author": "",
+  "license": "MIT",
+  "dependencies": {
+    "express": "^4.18.2",
+    "cors": "^2.8.5",
+    "dotenv": "^16.3.1",
+    "bcryptjs": "^2.4.3",
+    "jsonwebtoken": "^9.0.2",
+    "pg": "^8.11.3",
+    "bullmq": "^5.1.0",
+    "ioredis": "^5.3.2",
+    "axios": "^1.6.5",
+    "cheerio": "^1.0.0-rc.12",
+    "diff": "^5.1.0",
+    "zod": "^3.22.4",
+    "nodemailer": "^6.9.8"
+  },
+  "devDependencies": {
+    "@types/express": "^4.17.21",
+    "@types/cors": "^2.8.17",
+    "@types/bcryptjs": "^2.4.6",
+    "@types/jsonwebtoken": "^9.0.5",
+    "@types/pg": "^8.10.9",
+    "@types/node": "^20.10.6",
+    "@types/nodemailer": "^6.4.14",
+    "@types/diff": "^5.0.9",
+    "typescript": "^5.3.3",
+    "tsx": "^4.7.0",
+    "@typescript-eslint/eslint-plugin": "^6.17.0",
+    "@typescript-eslint/parser": "^6.17.0",
+    "eslint": "^8.56.0",
+    "jest": "^29.7.0",
+    "@types/jest": "^29.5.11"
+  }
+}