Delete things implemented (can't believe I forgot that...)

boxes/templates/boxes/edit_thing.html

@@ -284,6 +284,16 @@
     </div>
 </div>
 
+<div class="section">
+    <form method="post" action="{% url 'delete_thing' thing.id %}"
+          onsubmit="return confirm('Are you sure you want to delete {{ thing.name }}? This cannot be undone.');">
+        {% csrf_token %}
+        <button type="submit" class="btn btn-danger">
+            <i class="fas fa-trash"></i> Delete Thing
+        </button>
+    </form>
+</div>
+
 {% endblock %}
 
 {% block extra_css %}