start updating physics

physics/templates/physics/exam_start.html

@@ -0,0 +1,25 @@
+{% extends 'base.html' %}
+
+{% block content %}
+
+<h2>{{exam.name}}</h2>
+
+Enter your CID in the below box.<br />
+<input id="cid-box" type="text" value="Candidate ID">
+ 
+<button>Start exam</button>
+
+<script type="text/javascript">
+    $(document).ready(function () {
+        $("button").click(() => {
+        let cid = $("#cid-box").val();
+
+        if (Number.isInteger(parseInt(cid))) {
+        window.location.replace("{% url 'physics:exam_take' pk=exam.pk sk=0 cid='0000000' %}".replace("0000000", cid));
+        } else {
+            alert("Please enter a valid Candidate ID (CID).")
+        }
+        });
+    });
+</script>
+{% endblock %}