chore: fix README bullet formatting

[ci skip]

README.md

@@ -3,14 +3,14 @@
 Level Up Learning! A friendly Learning Management System 
 
 <!-- metadata -->
-- **Category**: Apps
-- **Status**: 
-- **Image**: [`levelfly`](https://hub.docker.com/r/levelfly/levelfly), 4, upstream
-- **Healthcheck**: 
-- **Backups**: 
-- **Email**: 
-- **Tests**: 
-- **SSO**: 
+* **Category**: Apps
+* **Status**: 
+* **Image**: [`levelfly`](https://hub.docker.com/r/levelfly/levelfly), 4, upstream
+* **Healthcheck**: 
+* **Backups**: 
+* **Email**: 
+* **Tests**: 
+* **SSO**: 
 <!-- endmetadata -->
 
 ## Basic usage