feat(docker): add Docker support and enhance dashboard data

- Add Dockerfile and docker-compose.yml for containerized deployment
- Update server to listen on all network interfaces for Docker compatibility
- Add .dockerignore to exclude unnecessary files from build context
- Enhance dashboard controller with additional user data, trends, and suggestions
- Update package.json scripts for proper Docker build workflow

docker-compose.yml

@@ -0,0 +1,11 @@
+version: '3.8'
+services:
+  web:
+    build: .
+    ports:
+      - "3000:3000"
+    volumes:
+      - ./data:/app/data
+    environment:
+      - PORT=3000
+      - NODE_ENV=production