Adds limitations and todos.

README.md

@@ -4,6 +4,11 @@ This app allows to provision users and groups in Nextcloud from a scim client.
 
 You can see the [video](https://hot-objects.liiib.re/meet-liiib-re-recordings/pair_2022-05-02-15-40-37.mp4) that shows how it works.
 
+## Limitations
+
+ - doesn't accept `application/scim+json` content-type, but only `application/json`
+ - doesn't implement `meta:createdAt` nor `meta:lastModified` due to this [bug](https://github.com/nextcloud/server/issues/22640) (return unix epoch instead).
+
 ## How to use
 
 We plan to publish on the Nextcloud app store, but in the mean time, you can use instructions at the bottom.
@@ -22,11 +27,10 @@ For CI, there is still [a bug](https://github.com/Kong/insomnia/issues/4747) we
 
 ## Todo
 
- - [ ] Meta -> ([can't implement yet](https://github.com/nextcloud/server/issues/22640))
+ - [ ] Meta (Create our own table)
     - createdAt
     - lastModified
- - [ ] ExternalID
+ - [ ] ExternalID for Groups (Create our onw table)
-    - [ ] Groups - [waiting for feedback](https://help.nextcloud.com/t/add-metadata-to-groups/139271)
  - [ ] json exceptions
  - [ ] group member removal
  - [ ] pagination
@@ -35,7 +39,8 @@ For CI, there is still [a bug](https://github.com/Kong/insomnia/issues/4747) we
    - [ ] test psalm
    - [ ] test insomnia
    - [ ] publish app on app store
-
+ - [ ] lib user scim php
+ - [ ] accept first email, even if not primary
 
 ## Quick "Deploy" to test