add signup view

templates/member/signup.html

@@ -0,0 +1,14 @@
+<!-- templates/signup.html -->
+{% extends 'base.html' %}
+{% load crispy_forms_tags %}
+{% block title %}Sign Up{% endblock %}
+
+{% block content %}
+  <h2>Sign up</h2>
+  <form method="post">
+    {% csrf_token %}
+    {{ form.as_p |crispy }}
+    {{ user_form.as_p |crispy }}
+      <button type="submit">Sign up</button>
+  </form>
+{% endblock %}