updated docs, broke the well-known and element client modifications out to separate tasks.

roles/custom/matrix-element-call/tasks/update_element_web_config.yml

@@ -0,0 +1,27 @@
+- name: Update Element Web config.json settings
+  vars:
+    additional_settings: |
+      {
+          "features": {
+              "feature_video_rooms": true,
+              "feature_new_room_decoration_ui": true,
+              "feature_group_calls": true,
+              "feature_element_call_video_rooms": true
+          },
+          "element_call": {
+              "url": "https://{{ matrix_element_call_domain }}",
+              "participant_limit": 8,
+              "brand": "Element Call",
+              "use_exclusively": true
+          }
+      }
+  set_fact:
+    updated_element_web_config: "{{ (element_web_config_content.content | b64decode | from_json) | combine(additional_settings | from_json, recursive=True) }}"
+    
+- name: Write updated Element Web config.json
+  copy:
+    content: "{{ updated_element_web_config | to_nice_json }}"
+    dest: "{{ element_web_config_path }}"
+    mode: '0644'
+    owner: "{{ matrix_user_username }}"
+    group: "{{ matrix_user_groupname }}"