Add missing modules to feature profiles (#1860)

* Add missing modules to feature profiles

Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>

* Add changelog

---------

Signed-off-by: Johannes Marbach <n0-0ne+github@mailbox.org>

changelogs/client_server/newsfragments/1860.clarification

@@ -0,0 +1 @@
+Add missing secrets, third-party invites and room tagging modules to feature profiles table.

content/client-server-api/_index.md

@@ -2764,6 +2764,9 @@ that profile.
 | [Event Annotations and reactions](#event-annotations-and-reactions) | Optional  | Optional | Optional | Optional | Optional |
 | [Threading](#threading)                                    | Optional  | Optional | Optional | Optional | Optional |
 | [Reference Relations](#reference-relations)                | Optional  | Optional | Optional | Optional | Optional |
+| [Secrets](#secrets)                                        | Optional  | Optional | Optional | Optional | Optional |
+| [Third-party Invites](#third-party-invites)                | Optional  | Required | Optional | Optional | Optional |
+| [Room Tagging](#room-tagging)                              | Optional  | Optional | Optional | Optional | Optional |
 
 *Please see each module for more details on what clients need to
 implement.*