Add Playground link to header social icons

Author: O6lvl4

astro.config.mjs

@@ -27,6 +27,7 @@ export default defineConfig({
 			favicon: '/favicon.png',
 			social: [
 				{ icon: 'github', label: 'GitHub', href: 'https://github.com/almide/almide' },
+				{ icon: 'external', label: 'Playground', href: 'https://almide.github.io/playground/' },
 			],
 			pagefind: false,
 			components: {