feat: add Layer 1 foundation - Docker, WhatsApp Core, API Gateway, Frontend setup

- docker-compose.yml with PostgreSQL, Redis, all services
- nginx/nginx.conf reverse proxy configuration
- services/whatsapp-core: package.json, tsconfig.json, Dockerfile
- services/api-gateway: requirements.txt, Dockerfile, app/__init__.py
- frontend: package.json, tsconfig.json, vite.config.ts, index.html, Dockerfile, nginx.conf

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

services/whatsapp-core/package.json

@@ -0,0 +1,29 @@
+{
+  "name": "whatsapp-core",
+  "version": "1.0.0",
+  "description": "WhatsApp Core service using Baileys",
+  "main": "dist/index.js",
+  "scripts": {
+    "build": "tsc",
+    "start": "node dist/index.js",
+    "dev": "ts-node-dev --respawn src/index.ts",
+    "lint": "eslint src/**/*.ts"
+  },
+  "dependencies": {
+    "@whiskeysockets/baileys": "^6.7.16",
+    "express": "^4.21.2",
+    "socket.io": "^4.8.1",
+    "ioredis": "^5.4.1",
+    "pino": "^9.6.0",
+    "qrcode": "^1.5.4",
+    "uuid": "^11.0.5"
+  },
+  "devDependencies": {
+    "@types/express": "^5.0.0",
+    "@types/node": "^22.10.7",
+    "@types/uuid": "^10.0.0",
+    "@types/qrcode": "^1.5.5",
+    "typescript": "^5.7.3",
+    "ts-node-dev": "^2.0.0"
+  }
+}