refactored templates

app/templates/dashboard.html

@@ -0,0 +1,14 @@
+{% extends "admin_base.html" %}
+
+{% set active_page = 'dashboard' %}
+{% set title = 'Dashboard' %}
+
+{% block admin_content %}
+<div class="flex flex-col" style="height: calc(100vh - 57px);">
+  <iframe
+    src="{{ grafana_url }}?kiosk"
+    class="w-full flex-1 border-0"
+    allowfullscreen>
+  </iframe>
+</div>
+{% endblock %}