fix whitespace

roles/matrix-jitsi/templates/web/config.js.j2

@@ -21,7 +21,7 @@ var config = {
         {% if matrix_jitsi_enable_auth %}
         {% if matrix_jitsi_enable_guests %}
         // When using authentication, domain for guest users.
-		anonymousdomain: '{{ matrix_jitsi_xmpp_guest_domain }}',
+        anonymousdomain: '{{ matrix_jitsi_xmpp_guest_domain }}',
         {% endif %}
 
         // Domain for authenticated users. Defaults to <domain>.