Add Synapse module auto accept invite to rooms and direct messages (#3195)

* feat: auto-accept-invite module and docs

* fix: name typos and some forgot to adjust variables

* fix: accept only direct messages should work now and better wording

* changed: only_direct_messages variable naming

* feat: add logger, add synapse workers config

* Fix typo and add details about synapse-auto-acccept-invite

* Add newline at end of file

* Fix alignment

* Fix logger name for synapse_auto_accept_invite

The name of the logger needs to match the name of the Python module.

Ref: d673c67678/synapse_auto_accept_invite/__init__.py (L20)

* Add missing document start YAML annotation

* Remove trailing spaces

---------

Co-authored-by: Slavi Pantaleev <slavi@devture.com>

roles/custom/matrix-synapse/tasks/ext/synapse-auto-accept-invite/setup_install.yml

@@ -0,0 +1,23 @@
+---
+
+- ansible.builtin.set_fact:
+    matrix_synapse_modules: |
+      {{
+        matrix_synapse_modules | default([])
+        +
+        [
+          {
+            "module": "synapse_auto_accept_invite.InviteAutoAccepter",
+            "config": {
+              "accept_invites_only_for_direct_messages": matrix_synapse_ext_synapse_auto_accept_invite_accept_invites_only_direct_messages,
+              "worker_to_run_on": matrix_synapse_ext_synapse_auto_accept_invite_worker_to_run_on,
+          },
+        }]
+      }}
+
+    matrix_synapse_additional_loggers_auto: >
+      {{
+        matrix_synapse_additional_loggers_auto
+        +
+        [{'name': 'synapse_auto_accept_invite', 'level': 'INFO'}]
+      }}