feat: Adding dark mode, cleaning the UI a small bit, adding a link to the API documentation, and linting the code

Signed-off-by: Francisco Javier Arceo <farceo@redhat.com>

llama_stack/ui/app/logs/chat-completions/page.tsx

@@ -3,5 +3,5 @@ export default function ChatCompletions() {
     <div>
       <h1>Under Construction</h1>
     </div>
-  )
+  );
 }