Update config to support new app store

apps/mealie/docker-compose.yml

@@ -10,4 +10,6 @@ services:
       PUID: 1000
       PGID: 1000
     volumes:
-      - ${APP_DATA_DIR}/data:/app/data
+      - ${APP_DATA_DIR}/data:/app/data
+    networks:
+      - tipi_main_network

apps/mealie/metadata/description.md

@@ -0,0 +1,9 @@
+## Mealie is a self-hosted recipe manager and meal planner.
+
+- **username**: changeme@email.com
+- **password**: MyPassword
+<br />
+
+Mealie is a self hosted recipe manager and meal planner with a RestAPI backend and a reactive frontend application built in Vue for a pleasant user experience for the whole family. Easily add recipes into your database by providing the url and Mealie will automatically import the relevant data or add a family recipe with the UI editor. Mealie also provides an API for interactions from 3rd party applications.
+
+[![Product Name Screen Shot](https://raw.githubusercontent.com/hay-kot/mealie/mealie-next/docs/docs/assets/img/home_screenshot.png)](https://docs.mealie.io/)