improve component spacing

+ bump up folder and album page gap to ~ 1rem
+ test out noise texture on album img on album page
+
~ although i'm still annoyed about the scrollbar space irregularities (will fix someday)

src/components/shared/SongItem.vue

@@ -1,6 +1,6 @@
 <template>
   <div
-    class="songlist-item rounded"
+    class="songlist-item"
     :class="[
       { current: isCurrent },
       { contexton: context_on },