chore: fix README bullet formatting

[ci skip]

README.md

@@ -6,14 +6,14 @@ Low latency, high quality voice chat application.
 
 <!-- metadata -->
 
-- **Category**: Apps
-- **Status**: ❸🍎
-- **Image**: [phlak/mumble](https://hub.docker.com/repository/docker/phlak/mumble), ❸🍎 3rd party
-- **Healthcheck**: No
-- **Backups**: No
-- **Email**: N/A
-- **Tests**: No
-- **SSO**: N/A
+* **Category**: Apps
+* **Status**: ❸🍎
+* **Image**: [phlak/mumble](https://hub.docker.com/repository/docker/phlak/mumble), ❸🍎 3rd party
+* **Healthcheck**: No
+* **Backups**: No
+* **Email**: N/A
+* **Tests**: No
+* **SSO**: N/A
 
 <!-- endmetadata -->