Refactor: Update component styles and JSON data for ESP32 series

- Added cursor pointer to buttons in SeriesTabMenu for better UX.
- Removed "Analog" category from various ESP32 JSON files to streamline categorization.
- Translated "analog" to "analógico" in ESP32 JSON files for consistency in language.
- Cleaned up categories in ESP32 JSON files to focus on relevant classifications.

app/sobre/page.jsx

@@ -125,10 +125,6 @@ export default function Sobre() {
                                 >
                                     Ver repositório
                                 </a>
-
-                                <Link href="/contato" className="inline-flex items-center justify-center px-4 py-2 rounded-lg border border-gray-200 text-gray-700 hover:border-purple-400 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-purple-500" aria-label="Ir para a página de contato">
-                                    Entrar em contato
-                                </Link>
                             </div>
 
                             <div className="mt-4 text-sm text-gray-500">