README tweak

[ci skip]

README.md

@@ -4,14 +4,14 @@ An open source, self-hosted alternative to Trello, Notion, and Asana.
 
 <!-- metadata -->
 
-* **Category**:
-* **Status**:
-* **Image**:
-* **Healthcheck**:
-* **Backups**:
-* **Email**:
-* **Tests**:
-* **SSO**:
+* **Category**: Apps
+* **Status**: 0, work-in-progress
+* **Image**: [`mattermost/focalboard`](https://hub.docker.com/r/mattermost/focalboard], 4, upstream
+* **Healthcheck**: No
+* **Backups**: No
+* **Email**: No
+* **Tests**: ?
+* **SSO**: No
 
 <!-- endmetadata -->