fix: expose AsComponent for custom Template classes

Author: farfromrefug

Diff for: src/components/index.ts

@@ -1,2 +1,5 @@
 export { default as Template } from "./Template.svelte";
+export { default as AsComponent } from "./AsComponent.svelte";
+// export { default as ios } from "./ios.svelte";
+// export { default as android } from "./android.svelte";