Add study materials field to exam routes and update ExamModal for handling materials

docker-compose.yml

@@ -1,6 +1,6 @@
 services:
   application:
-    image: node:24-slim
+    image: node:24
     working_dir: /app
     volumes:
       - ./:/app
@@ -8,9 +8,4 @@ services:
       - "$PORT:8080"
     env_file:
       - .env
-    command: sh -c "git pull && npm i -g pnpm && cd frontend && pnpm install && pnpm run build && cd ../backend && pnpm install && pnpm run start"
-    healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost:$PORT/health"]
-      interval: 30s
-      timeout: 10s
-      retries: 3
+    command: sh -c "npm i -g pnpm && cd frontend && pnpm install && pnpm run build && cd ../backend && pnpm install && pnpm run start"