add 404.html && 500.html

Author: wuyue92tree

adminlteui/templates/admin/404.html

@@ -0,0 +1,12 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block title %}{% trans 'Page not found' %}{% endblock %}
+
+{% block content_title %} {% trans 'Page not found' %} {% endblock %}
+
+{% block content %}
+
+<p>{% trans "We're sorry, but the requested page could not be found." %}</p>
+
+{% endblock %}

adminlteui/templates/admin/500.html

@@ -0,0 +1,20 @@
+{% extends "admin/base_site.html" %}
+{% load i18n %}
+
+{% block breadcrumbs %}
+
+<ol class="breadcrumb">
+    <li><a href="{% url 'admin:index' %}"><i class="fa fa-dashboard"></i> {% trans 'Home' %}</a></li>
+    <li class="active">{% trans 'Server error' %}</li>
+</ol>
+{% endblock %}
+
+{% block title %}{% trans 'Server error (500)' %}{% endblock %}
+
+{% block content_title %} {% trans 'Server Error <em>(500)</em>' %} {% endblock %}
+
+{% block content %}
+
+<p>{% trans "There's been an error. It's been reported to the site administrators via email and should be fixed shortly. Thanks for your patience." %}</p>
+
+{% endblock %}