change the create computer URL to a button

computers/templates/computers/computer_list.html

@@ -2,6 +2,16 @@
 {% load render_table from django_tables2 %}
 {% block section_title %}List of Computers{% endblock %}
 {% block content %}
-<p><a href="{% url 'computer_create' pk %}">Add Computer</a></p>
-{% render_table computers %}
+<div class="row mb-3">
+    <div class="col">
+        <form action="{% url 'computer_create' pk %}">
+            <input type="submit" value="Add Computer" class="btn btn-primary">
+        </form>
+    </div>
+</div>
+<div class="row">
+    <div class="col">
+        {% render_table computers %}
+    </div>
+</div>
 {% endblock %}