add custom_bot_without_proxy_integration to admin.json

resource/locales/en_US/admin/admin.json

@@ -297,7 +297,8 @@
       "register_secret_and_token": "Set Signing Secret and Bot Token",
       "test_connection": "Test Connection",
       "how_to_create_a_bot": "How to create a bot"
-    }
+    },
+    "custom_bot_without_proxy_integration": "Custom bot without proxy integration"
   },
   "user_management": {
     "invite_users": "Temporarily issue a new user",

resource/locales/ja_JP/admin/admin.json

@@ -295,7 +295,8 @@
       "register_secret_and_token": "Signing Secret と Bot Token を登録する",
       "test_connection": "連携状況のテストをする",
       "how_to_create_a_bot": "作成方法はこちら"
-    }
+    },
+    "custom_bot_without_proxy_integration": "Custom bot without proxy 連携"
   },
   "user_management": {
     "invite_users": "新規ユーザーの仮発行",

resource/locales/zh_CN/admin/admin.json

@@ -305,7 +305,8 @@
       "register_secret_and_token": "设置签名秘密和BOT令牌",
       "test_connection": "测试连接",
       "how_to_create_a_bot": "如何创建一个BOT"
-    }
+    },
+    "custom_bot_without_proxy_integration": "Custom bot without proxy 一体化"
   },
 	"user_management": {
 		"invite_users": "临时发布新用户",