Refactoring: port ChartJS to Svelte

src/UI/Base/ChartJs.svelte

@@ -0,0 +1,21 @@
+<script lang="ts">
+  import { onMount } from "svelte"
+  import { Chart, registerables } from "chart.js"
+  import type { ChartConfiguration } from "chart.js"
+
+  Chart?.register(...(registerables ?? []))
+
+  export let config: ChartConfiguration<TType, TData, TLabel>
+  let canvas: HTMLCanvasElement
+  onMount(() => {
+    if (canvas) {
+      new Chart(canvas, config)
+    }
+  })
+</script>
+
+{#if config}
+  <canvas bind:this={canvas} />
+{:else}
+  <slot name="empty" />
+{/if}