update templates with task expiry

app/templates/newtask.html

@@ -13,6 +13,10 @@
         {{ form.description.label }}
     </p>
     {{ form.description(rows=5, cols=25) }}
+    <p>
+        {{ form.expiryDate.label }}
+        {{ form.expiryDate }}
+    </p>
     <p>
         <button class="btn btn-primary" type="submit">Add Task</button>
     </p>