feat(FontDisplay): create a FontDisplay component to show selected font samples

src/features/DisplayFont/ui/FontDisplay/FontDisplay.svelte

@@ -0,0 +1,14 @@
+<!--
+    Component: FontDisplay
+    Displays a grid of FontSampler components for each displayed font.
+-->
+<script>
+import { displayedFontsStore } from '../../model';
+import FontSampler from '../FontSampler/FontSampler.svelte';
+</script>
+
+<div class="grid gap-2 grid-cols-[repeat(auto-fit,minmax(500px,1fr))]">
+    {#each displayedFontsStore.fonts as font (font.id)}
+        <FontSampler font={font} bind:text={displayedFontsStore.text} />
+    {/each}
+</div>