matrix: Add option to disable SELinux related tasks

roles/matrix/defaults/main.yml

@@ -85,3 +85,6 @@ matrix_elementweb_integrations_jitsi_widget_url: "https://scalar.vector.im/api/w
 
 # Element Web public room directory server(s)
 matrix_elementweb_roomdir_servers: ['matrix.org']
+
+# Enable or disable selinux handling
+matrix_selinux_enabled: true

roles/matrix/tasks/main.yml

@@ -29,6 +29,8 @@
     - "{{ matrix_database_location }}"
     - "{{ matrix_data_location }}"
     - "{{ matrix_elementweb_location }}"
+  when:
+    - matrix_selinux_enabled
   become: true
 
 - name: Create install directory