[admin] add grant props

resources/lang/zh_CN/admin.php

@@ -62,6 +62,10 @@ return [
                 'confirm_btn' => '确认',
                 'disable_download_privileges_btn' => '禁用下载权限',
                 'enable_download_privileges_btn' => '启用下载权限',
+                'grant_prop_btn' => '授予道具',
+                'grant_prop_form_prop' => '选择道具',
+                'grant_prop_form_duration' => '有效时长',
+                'grant_prop_form_duration_help' => '单位：天。如果留空，用户永久拥有。注：改名卡没有时间限制，忽略该值。',
             ]
         ],
         'exam_user' => [

resources/lang/zh_CN/label.php

@@ -27,6 +27,7 @@ return [
     'description' => '描述',
     'price' => '价格',
     'deadline' => '截止时间',
+    'permanent' => '永久有效',
     'operator' => '操作者',
     'setting' => [
         'nav_text' => '设置',

resources/lang/zh_CN/user.php

@@ -15,6 +15,7 @@ return [
         'downloaded' => '下载量',
         'invites' => '邀请',
         'attendance_card' => '补签卡',
+        'props' => '道具',
     ],
     'class_names' => [
         \App\Models\User::CLASS_VIP => '贵宾',