feat(FontStore): export through entity barrel files

src/entities/Font/model/store/index.ts

@@ -15,3 +15,10 @@ export {
 
 // Applied fonts manager (CSS loading - unchanged)
 export { appliedFontsManager } from './appliedFontsStore/appliedFontsStore.svelte';
+
+// Single FontStore (new implementation)
+export {
+    createFontStore,
+    FontStore,
+    fontStore,
+} from './fontStore/fontStore.svelte';