[admin] add username change log

resources/lang/en/admin.php

@@ -22,6 +22,7 @@ return [
         'download_speed' => 'Download speed',
         'isp' => 'ISP',
         'menu' => 'Custom menu',
+        'username_change_log' => 'Username change log',
     ],
     'resources' => [
         'agent_allow' => [

resources/lang/en/label.php

@@ -27,6 +27,7 @@ return [
     'description' => 'Description',
     'price' => 'Price',
     'deadline' => 'Deadline',
+    'operator' => 'Operator',
     'setting' => [
         'nav_text' => 'Setting',
         'backup' => [

resources/lang/en/username-change-log.php

@@ -0,0 +1,13 @@
+<?php
+
+return [
+    'change_type' => [
+        \App\Models\UsernameChangeLog::CHANGE_TYPE_USER => 'User',
+        \App\Models\UsernameChangeLog::CHANGE_TYPE_ADMIN => 'Administrator',
+    ],
+    'labels' => [
+        'username_old' => 'Old username',
+        'username_new' => 'New username',
+        'change_type' => 'Change type',
+    ],
+];