feat: initial setup with WhatsApp CRM apps and sync services

apps/whatsapp-sync/package.json

@@ -0,0 +1,31 @@
+{
+  "name": "whatsapp-sync",
+  "version": "1.0.0",
+  "description": "WhatsApp message sync service",
+  "private": true,
+  "scripts": {
+    "start": "node src/index.js",
+    "dev": "node --watch src/index.js",
+    "sync": "node src/sync.js",
+    "test": "jest",
+    "test:watch": "jest --watch",
+    "test:coverage": "jest --coverage"
+  },
+  "dependencies": {
+    "better-sqlite3": "^12.8.0",
+    "node-cron": "3.0.3",
+    "qrcode-terminal": "0.12.0",
+    "sql.js": "1.10.2",
+    "whatsapp-web.js": "1.23.0"
+  },
+  "devDependencies": {
+    "@babel/preset-env": "^7.29.2",
+    "@types/jest": "29.5.12",
+    "@types/node": "20.11.0",
+    "@types/sql.js": "1.4.9",
+    "eslint": "8.57.0",
+    "jest": "29.7.0",
+    "ts-jest": "29.1.2",
+    "typescript": "5.3.3"
+  }
+}