add message template

resources/lang/en/admin.php

@@ -46,6 +46,7 @@ return [
         'oauth_provider' => 'Authorization provider',
         'queue_monitor' => 'Queue monitor',
         'user_modify_logs' => 'User modify logs',
+        'message_templates' => 'Message templates',
     ],
     'resources' => [
         'agent_allow' => [

resources/lang/en/label.php

@@ -46,6 +46,8 @@ return [
     'created_at_end' => 'Created at end',
     'text_quote' => 'Quote',
     'text_code' => "CODE",
+    'language' => 'Language',
+    'content' => 'Content',
     'setting' => [
         'nav_text' => 'Setting',
         'backup' => [

resources/lang/en/message-template.php

@@ -0,0 +1,6 @@
+<?php
+return [
+    'content_help' => 'Here you can use BBCode tag codes and the following placeholders',
+    'register_welcome' => 'Registration success welcome message',
+    'register_welcome_content_help' => ':username => username',
+];