update readme

README.md

@@ -1,17 +1,18 @@
 # vikunja
 
-> One line description of the recipe
+>  The open-source, self-hostable to-do app.
+Organize everything, on all platforms
 
 <!-- metadata -->
 
 * **Category**: Apps
 * **Status**: 0
 * **Image**: [`vikunja`](https://hub.docker.com/r/vikunja), 4, upstream
-* **Healthcheck**: No
-* **Backups**: No
-* **Email**: No
+* **Healthcheck**: Almost 
+* **Backups**: Yes
+* **Email**: Yes
 * **Tests**: No
-* **SSO**: No
+* **SSO**: Yes
 
 <!-- endmetadata -->