Topology button in Site View (#220)

* Topology button in Site View

* Add mdi icons to Topology and Close Buttons

* Fix buttons tag and class

* fixed drag & site filter

Co-authored-by: Mattijs Vanhaverbeke <mattijs.vanhaverbeke@ebo-enterprises.com>

netbox_topology_views/templates/netbox_topology_views/htmx_topology.html

@@ -0,0 +1,33 @@
+{% load static %}
+
+<link rel="stylesheet" href="{% static 'netbox_topology_views/css/vendor.css' %}">
+<link rel="stylesheet" href="{% static 'netbox_topology_views/css/app.css' %}">
+
+<div class="modal-header">
+    <h5 class="modal-title">Topology Views</h5>
+    <div class="controls">
+    	<div class="control-group">
+			{% block extra_controls %}{% endblock %}
+			<a id="btnDownloadImage" class="btn btn-sm btn-info" href="#">
+				<i class="mdi mdi-download"></i>
+				Download
+			</a>
+            <a class="btn  btn-sm btn-danger" data-bs-dismiss="modal">
+                <i class="mdi mdi-close-thick"></i>
+                Close
+            </a>
+    	</div>
+	</div>
+</div>
+<div class="panel-body" >
+    <div style="width: 500px; height: 500px;">
+        <div id="visgraph" style="width: 100%; height: 100%;">      
+        </div>
+    </div>
+</div>
+
+<script type="text/javascript">
+    const brokenImage = '{{ broken_image }}';
+    const topologyData = {{ topology_data | safe }};
+</script>
+<script src="{% static 'netbox_topology_views/js/app.js' %}?ver={{ epoch }} " defer></script>

netbox_topology_views/templates/netbox_topology_views/site_button.html

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+<a role="button" class="btn btn-sm btn-primary" title="Topology" href="#" hx-get="/plugins/netbox_topology_views/topology/?site_id={{ object.id }}" hx-target="#htmx-modal-content" data-bs-toggle="modal" data-bs-target="#htmx-modal">
+    <i class="mdi mdi-transit-connection-variant" aria-hidden="true"></i>
+    Topology
+</a>