Made Dockerfile for FE, serve.js for express server, and docker-compose to run both FE and BE services

docker-compose.yml

@@ -0,0 +1,14 @@
+version: '3'
+services:
+  frontend:
+    image: comp2707-frontend
+    build: frontend/
+    container_name: comp2707-frontend
+    ports:
+      - 8080:8080
+  backend:
+    image: comp2707-backend
+    build: backend/
+    container_name: comp2707-backend
+    ports:
+      - 5000:5000