add create exam form to rapids

rapids/templates/rapids/exam_form.html

@@ -0,0 +1,12 @@
+{% extends "rapids/base.html" %}
+
+{% block content %}
+<h2>Add Exam</h2>
+  <form action="" method="post">
+    {% csrf_token %}
+    <table>
+    {{ form.as_table }}
+    </table>
+    <input type="submit" value="Submit">
+  </form>
+{% endblock %}