enh: codespan styling

src/lib/components/chat/Messages/MarkdownInlineTokens.svelte

@@ -31,7 +31,7 @@
 			<svelte:self id={`${id}-em`} tokens={token.tokens} />
 		</em>
 	{:else if token.type === 'codespan'}
-		<code>{unescapeHtml(token.text.replaceAll('&amp;', '&'))}</code>
+		<code class="codespan">{unescapeHtml(token.text.replaceAll('&amp;', '&'))}</code>
 	{:else if token.type === 'br'}
 		<br />
 	{:else if token.type === 'del'}