docs: update docs for oauth plugin

Author: yaroslav8765

adminforth/documentation/docs/tutorial/07-Plugins/11-oauth.md

@@ -377,4 +377,16 @@ plugins: [
 
 This field will be automatically filled with the name that the provider returns, if this field was empty.
 
-> ☝️Not all providers return full name or even if they do, there is no guarantee that they will be correct
+> ☝️Not all providers return full name or even if they do, there is no guarantee that they will be correct
+
+> Google Adapter: returns fullName, but if there is no last name - it will return only first name
+
+>Facebook: returns fullName
+
+>Github: returns name or fullName (depends of what user added in name field)
+
+>Keycloak: returns fullName
+
+>Microsoft: returns fullName
+
+>Twitch: return only users display name