browsable api should be reponsive

src/c3nav/api/static/api/css/style.css

@@ -15,6 +15,7 @@ pre {
     font-size:20px;
     color:#333333;
     cursor:default;
+    margin-left:-15px;
 }
 .navbar {
     margin-bottom:15px;

src/c3nav/api/templates/rest_framework/api.html

@@ -6,6 +6,12 @@
 
 {% block bootstrap_navbar_variant %}{% endblock %}
 
+{% block meta %}
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+<meta name="robots" content="NONE,NOARCHIVE" />
+{% endblock %}
+
 {% block style %}
 {% compress css %}
 <link href="{% static 'bootstrap/css/bootstrap.css' %}" rel="stylesheet">