fix(webui): fix upload, re-add forgotten components (Footer, AddModal, DropPasteHandler)

webui/src/routes/+layout.svelte

@@ -1,9 +1,16 @@
 <script lang="ts">
 	import '$lib/styles/main.scss';
 	import Header from '$lib/components/layout/Header.svelte';
+	import Footer from '$lib/components/layout/Footer.svelte';
+	import DropPasteHandler from '$lib/components/DropPasteHandler.svelte';
+	import AddModal from '$lib/components/AddModal.svelte';
 </script>
 
 <Header />
 <main>
 	<slot />
 </main>
+<Footer />
+
+<AddModal />
+<DropPasteHandler />>