Add web interface with admin functionality (#167)

web/src/lib/components/shared/full-screen-modal.svelte

@@ -0,0 +1,17 @@
+<script lang="ts">
+	import { clickOutside } from './click-outside';
+	import { createEventDispatcher } from 'svelte';
+	import { fade } from 'svelte/transition';
+
+	const dispatch = createEventDispatcher();
+</script>
+
+<section
+	in:fade={{ duration: 100 }}
+	out:fade={{ duration: 100 }}
+	class="absolute w-full h-full bg-black/40 z-[100] flex place-items-center place-content-center "
+>
+	<div class="bg-immich-bg z-[9999] rounded-md" use:clickOutside on:outclick={() => dispatch('clickOutside')}>
+		<slot />
+	</div>
+</section>