feat(ComparisonSlider): create reusable comparison slider that compare two fonts for the same text. Line breaking is supported

src/shared/lib/helpers/index.ts

@@ -26,3 +26,7 @@ export {
     type Entity,
     type EntityStore,
 } from './createEntityStore/createEntityStore.svelte';
+
+export {
+    createCharacterComparison,
+} from './createCharacterComparison/createCharacterComparison.svelte';