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

package.json

@@ -4,11 +4,10 @@
   "description": "Calorie Tracker - Filipino Food Edition",
   "main": "server.js",
   "scripts": {
-    "start": "node server.js",
-    "dev": "nodemon server.js",
-    "seed": "node scripts/seed.js",
-    "start:nest": "ts-node src/main.ts",
-    "start:dev:nest": "nodemon --watch 'src/**/*.ts' --exec \"ts-node\" src/main.ts"
+    "build": "tsc",
+    "start": "node dist/main.js",
+    "start:dev": "nodemon --watch 'src/**/*.ts' --exec \"ts-node\" src/main.ts",
+    "seed": "ts-node scripts/seed.ts"
   },
   "dependencies": {
     "@nestjs/common": "^11.1.12",