Unifies directory structure in dev and prod containers

docker/rootfs/etc/services.d/manager/run

@@ -5,7 +5,7 @@ mkdir -p /data/letsencrypt-acme-challenge
 cd /app || echo
 
 if [ "$DEVELOPMENT" == "true" ]; then
-	cd /app/backend || exit 1
+	cd /app || exit 1
 	yarn install
 	node --max_old_space_size=250 --abort_on_uncaught_exception node_modules/nodemon/bin/nodemon.js
 else