Add GitHub link

Author: martinbonnin

docs/astro.config.mjs

@@ -23,7 +23,8 @@ export default defineConfig({
         { label: 'Debugging', link: '/debugging' },
 				{ label: 'Maven Central FAQ', link: '/portal-faq' },
         { label: 'Programmatic API', link: '/programmatic-api' },
-        { label: 'KDoc', link: 'https://gradleup.com/nmcp/kdoc/nmcp/index.html ' },
+        { label: 'KDoc↗', link: 'https://gradleup.com/nmcp/kdoc/nmcp/index.html' },
+        { label: 'GitHub↗', link: 'https://github.com/gradleup/nmcp' },
 			],
 		}),
 	],