add a docker-compose.yml to run mongodb locally with docker

docker-compose.yml

@@ -0,0 +1,12 @@
+services:
+  mongo:
+    image: mongo:6
+    container_name: dailytrends_mongo
+    restart: always
+    ports:
+      - "27017:27017"
+    volumes:
+      - mongo_data:/data/db
+
+volumes:
+  mongo_data: