Allow HTML in item.msg (#10)

Author: PlkMarudny

src/SvelteToast.svelte

@@ -28,7 +28,7 @@ ul {
   padding: 0;
   list-style-type: none;
   z-index: 9999;
-  pointer-events: none;
+  pointer-events: auto;
   top: var(--toastContainerTop,1.5rem);
   right: var(--toastContainerRight,2rem);
   bottom: var(--toastContainerBottom,auto);

src/ToastItem.svelte

@@ -82,7 +82,7 @@ $: if (prevProgress !== item.progress) {
     {#if item.title}
     <div class="_toastTitle">{item.title}</div>
     {/if}
-    {item.msg}
+    {@html item.msg}
   </div>
 
   {#if item.dismissable}