Set fixed height for chart and disable aspect ratio maintenance

src/components/FightStatsChart.svelte

@@ -79,6 +79,8 @@
                     })
                 },
                 options: {
+                    maintainAspectRatio: false,
+
                     scales: {
                         x: {
                             type: "time",
@@ -105,5 +107,5 @@
 </script>
 
 <div>
-    <canvas bind:this={canvas}></canvas>
+    <canvas height="500" bind:this={canvas}></canvas>
 </div>