chore: import upstream snapshot with attribution

domain_admin/utils/flask_ext/http_code_enum.py

@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+
+"""
+httpCode含义详解（转）
+https://blog.csdn.net/weixin_41768263/article/details/107852135
+"""
+from __future__ import print_function, unicode_literals, absolute_import, division
+
+
+class HttpCodeEnum(object):
+    """
+    HTTP 状态码
+    """
+
+    # 未授权
+    Unauthorized = 401
+
+    # 禁止访问
+    Forbidden = 403
+
+    # 未找到
+    Not_Found = 404