add invite link to moderator message

app/lib/bbb_api.rb

@@ -49,6 +49,13 @@ module BbbApi
     options[:meeting_name] ||= meeting_token
     options[:room_owner] ||= nil
 
+    if options[:room_owner]
+      meeting_url = "#{request.base_url}/rooms/#{options[:room_owner]}/#{options[:meeting_name]}"
+    else
+      meeting_url = "#{request.base_url}/meetings/#{meeting_token}"
+    end
+    options[:moderator_message] ||= t('moderator_default_message', url: "<a href=\"#{meeting_url}\" target=\"_blank\"><u>#{meeting_url}</u></a>")
+
     if !bbb
       return call_invalid_res
     else
@@ -75,6 +82,7 @@ module BbbApi
           logoutURL: logout_url,
           moderatorPW: moderator_password,
           attendeePW: viewer_password,
+          moderatorOnlyMessage: options[:moderator_message],
           "meta_#{BbbApi::META_LISTED}": false,
           "meta_#{BbbApi::META_TOKEN}": meeting_token
         }