allow supervisors to view shared exams

templates/exam_list.html

@@ -2,6 +2,19 @@
 
 {% block content %}
     <h1>Examinations</h1>
+
+    <details class="help-text">
+        <summary><i class="bi bi-info-circle"></i> Help</summary>
+        <p>This page shows the currently active examations (that you have access to manage).</p>
+
+        <p>Exams that are active will be available for candidates to take.</p>
+
+        <p>Once candidates have completed the exam (or subimitted some answers) they will immediately be able to view their answers on the platoform. They will not be able to see the correct answers (or their scores) until the exams results have been published.</p>
+
+        <p>A users submitted answers will remain available to the user until the exam is archived. Once an exam is archived the user will no longer be able to view their submitted answers.</p>
+
+        <p>Supervisors will have access to all exam results (including archived exams) for which they have access (when "results supervisor visible" is set to true or the user has shared their results).</p>
+    </details>
     <div class="{{app_name}}">
         Active exams:<br/>
         <ul class="exam-list exam-list-active">