Plot live cadence data

templates/overview.html

@@ -1,7 +1,18 @@
 <h1
-    class="mb-4 text-4xl font-extrabold leading-none tracking-tight text-gray-900 md:text-5xl lg:text-6xl dark:text-white">
+    class="mb-4 text-4xl font-extrabold leading-none tracking-tight text-gray-900 md:text-5xl lg:text-6xl dark:text-white text-center">
     {{last_cadence}} rpm</h1>
 
+<div id="overview-plot" class="w-full mt-2 aspect-video"></div>
+<script>
+    Plotly.newPlot(document.getElementById("overview-plot"), [
+        {{ plot | tojson}}
+    ], {
+        margin: { t: 0 }, xaxis: { showgrid: false, showticklabels: false }, yaxis: {
+            showgrid: false
+        }
+    });
+</script>
+
 <div class="relative overflow-x-auto">
     <table class="w-full text-sm text-left text-gray-500 dark:text-gray-400">
         <thead class="text-xs text-gray-700 uppercase bg-gray-50 dark:bg-gray-700 dark:text-gray-400">