feat(backend,frontend): copy liked songs into a shareable playlist

frontend/package.json

@@ -19,6 +19,8 @@
   },
   "devDependencies": {
     "@biomejs/biome": "^2.5.15",
+    "@fontsource-variable/archivo": "^5.3.0",
+    "@fontsource-variable/commissioner": "^5.3.0",
     "@sveltejs/adapter-static": "^4.0.0",
     "@sveltejs/kit": "^3.0.1",
     "@sveltejs/vite-plugin-svelte": "^7.1.2",