Prevent troggle adding the menu if there is one in the file

Add a Docker compose file to bring up a dev troggle easily
Various PEP improvments

docker/docker-compose.yml

@@ -0,0 +1,21 @@
+version: '3'
+services:
+  troggle:
+    restart: always
+    build: .
+    ports:
+     - "8000:8000"
+    volumes:
+     - ../..:/expo
+    links:
+     - expo-mysql
+  expo-mysql:
+    restart: always
+    image: "mariadb"
+    env_file:
+      - compose/mysql.env
+    volumes:
+      - mysqldb:/var/lib/mysql
+
+volumes:
+  mysqldb: