add medal max allow wear number

resources/lang/zh_CN/label.php

@@ -85,6 +85,7 @@ return [
             'tab_header' => '系统',
             'change_username_card_allow_characters_outside_the_alphabets' => '改名卡是否允许英文字母外的字符',
             'change_username_min_interval_in_days' => '修改用户名最小间隔天数',
+            'maximum_number_of_medals_can_be_worn' => '勋章最大可佩戴数',
         ],
     ],
     'user' => [

resources/lang/zh_CN/medal.php

@@ -43,4 +43,5 @@ return [
     'inventory_empty' => '库存不足',
     'gift_btn' => '赠送',
     'confirm_to_gift' => '确定要赠送给用户 ',
+    'max_allow_wearing' => '最多允许同时佩戴 :count 个勋章',
 ];