Feature: update user profile (#4678)

docs/api.md

@@ -21,6 +21,7 @@ The API provides the following main endpoints:
 - `/api/groups/`: Full CRUD support.
 - `/api/share_links/`: Full CRUD support.
 - `/api/custom_fields/`: Full CRUD support.
+- `/api/profile/`: GET, PATCH
 
 All of these endpoints except for the logging endpoint allow you to
 fetch (and edit and delete where appropriate) individual objects by
@@ -157,6 +158,10 @@ The REST api provides three different forms of authentication.
 
 3.  Token authentication
 
+    You can create (or re-create) an API token by opening the "My Profile"
+    link in the user dropdown found in the web UI and clicking the circular
+    arrow button.
+
     Paperless also offers an endpoint to acquire authentication tokens.
 
     POST a username and password as a form or json string to
@@ -168,7 +173,7 @@ The REST api provides three different forms of authentication.
     Authorization: Token <token>
     ```
 
-    Tokens can be managed and revoked in the paperless admin.
+    Tokens can also be managed in the Django admin.
 
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