Improves README.

README.md

@@ -1,5 +1,19 @@
 # SCIM Service Provider
 
+This app allows to provision users and groups in Nextcloud from a scim client.
+
+You can see the video that shows how it works.
+
+![video presentation](https://hot-objects.liiib.re/meet-liiib-re-recordings/pair_2022-05-02-15-40-37.mp4)
+
+## How to use
+
+We plan to publish on the Nextcloud app store, but in the mean time, you can use instructions at the bottom.
+
+## Use with Keycloak
+
+You can use with the [SCIM plugin we developped for keycloak](https://lab.libreho.st/libre.sh/scim/keycloak-scim).
+
 ## Running tests
 
 To run the test, you can use [insomnia UI](https://docs.insomnia.rest).
@@ -8,7 +22,16 @@ To run the test, you can use [insomnia UI](https://docs.insomnia.rest).
 
 For CI, there is still [a bug](https://github.com/Kong/insomnia/issues/4747) we need to find a fix.
 
-## TODO
+## Todo
+
+ - ExternalID
+ - json exceptions
+ - Meta ->
+    - createdAt
+    - lastModified
+ - if no emails in user, return nice array
+ - pagination
+ - group member removal
 
 ## Quick "Deploy" to test
 
@@ -19,4 +42,8 @@ unzip nextcloud-scim-main.zip
 rm nextcloud-scim-main.zip
 rm -rf scimserviceprovider
 mv nextcloud-scim-main scimserviceprovider
-```
+```
+
+## NextGov Hackathon
+
+This app was started during the [Nextgov hackathon](https://eventornado.com/submission/automatic-sso-saml-sync-from-identity-provider-keycloak-through-a-well-known-protocol-scim?s=1#idea)!