Refactoring: move all code files into a src directory

src/UI/Base/FromHtml.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+  /**
+   * Given an HTML string, properly shows this
+   */
+
+  export let src: string
+  let htmlElem: HTMLElement
+  $: {
+    if (htmlElem) {
+      htmlElem.innerHTML = src
+    }
+  }
+
+  export let clss: string | undefined = undefined
+</script>
+
+{#if src !== undefined}
+  <span bind:this={htmlElem} class={clss} />
+{/if}