fix: correct formatting of social links in VitePress config

- Adjusted the structure of the social links configuration for consistency
- Ensured proper formatting of the GitHub icon SVG and added missing comma for clarity
- Enhanced accessibility with aria-label for the main site link

Author: Thavarshan

docs/.vitepress/config.ts

@@ -146,12 +146,12 @@ export default defineConfig({
 
     socialLinks: [
       { icon: 'github', link: 'https://github.com/altus4/core' },
-      { 
+      {
         icon: {
-          svg: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m3 9 9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9,22 9,12 15,12 15,22"/></svg>'
-        }, 
+          svg: '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="m3 9 9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"/><polyline points="9,22 9,12 15,12 15,22"/></svg>',
+        },
         link: 'https://altus4.thavarshan.com',
-        ariaLabel: 'Back to Main Site'
+        ariaLabel: 'Back to Main Site',
       },
     ],
   },