refactor(components): convert const to reactive where appropriate

- Inline class assignments to avoid script-level clutter
- Ignore a11y-missing-attribute instead of redundant href

src/components/CodeSnippet/CodeSnippet.Skeleton.svelte

@@ -5,28 +5,22 @@
   export let style = undefined;
 
   import { cx } from '../../lib';
-
-  const _class = cx(
-    '--snippet',
-    '--skeleton',
-    type === 'single' && '--snippet--single',
-    type === 'multi' && '--snippet--multi',
-    className
-  );
 </script>
 
-{#if type === 'single'}
-  <div on:click on:mouseover on:mouseenter on:mouseleave {style} class={_class}>
-    <div class={cx('--snippet-container')}>
+<div
+  on:click
+  on:mouseover
+  on:mouseenter
+  on:mouseleave
+  class={cx('--snippet', '--skeleton', type === 'single' && '--snippet--single', type === 'multi' && '--snippet--multi', className)}
+  {style}>
+  <div class={cx('--snippet-container')}>
+    {#if type === 'single'}
       <span />
-    </div>
+    {:else if type === 'multi'}
+      <span />
+      <span />
+      <span />
+    {/if}
   </div>
-{:else if type === 'multi'}
-  <div on:click on:mouseover on:mouseenter on:mouseleave {style} class={_class}>
-    <div class={cx('--snippet-container')}>
-      <span />
-      <span />
-      <span />
-    </div>
-  </div>
-{/if}
+</div>