feat: check screen size to enable or disable settings

+ redesign (again!) the playlist cards

src/stores/content-width.ts

@@ -2,9 +2,10 @@ import { computed } from "vue";
 import { ref } from "@vue/reactivity";
 
 const content_width = ref(0);
+const window_width = ref(0);
 
 const isSmall = computed(() => {
   return content_width.value < 700;
 });
 
-export { content_width, isSmall };
+export { content_width, window_width, isSmall };