feat(seo): improved seo

app/layout.tsx

@@ -52,19 +52,36 @@ export const metadata: Metadata = {
     title: 'Community of Coders VJTI',
     description: 'Access curated educational resources and join tech communities at VJTI.',
     siteName: 'Community of Coders VJTI',
+    images: [
+      {
+        url: '/coc_vjti.jpeg',
+        width: 1200,
+        height: 630,
+        alt: 'Community of Coders VJTI'
+      }
+    ],
+    countryName: 'India',
+    emails: ['communityofcoders@vjti.ac.in'],
+    phoneNumbers: ['+91-9833553251'],
   },
   twitter: {
     card: 'summary_large_image',
     title: 'Community of Coders VJTI',
     description: 'Access curated educational resources and join tech communities at VJTI.',
     creator: '@COC_VJTI',
+    images: ['/coc_vjti.jpeg'],
   },
   alternates: {
     canonical: 'https://coc-landing.vercel.app',
+    languages: {
+      'en-US': 'https://coc-landing.vercel.app/en-US',
+    }
   },
   verification: {
     google: 'your-google-verification-code',
-  }
+  },
+  category: 'technology',
+  classification: 'Education & Technology'
 };
 
 export default function RootLayout({

app/sitemap.ts

@@ -4,16 +4,41 @@ import { domains } from '@/config/navigation'
 export default function sitemap(): MetadataRoute.Sitemap {
   const baseUrl = 'https://coc-landing.vercel.app'
 
+  // Main routes with external resources
   const routes = [
-    '',
-    '/about',
-    '/teams',
-    '/dashboard',
-    '/dev-club',
-    '/cp-club',
-    '/ai-group',
-    '/eth-club',
-  ].map((route) => ({
+    {
+      route: '',
+      externalResources: ['https://vjti.ac.in', 'https://github.com/communityofcoders']
+    },
+    {
+      route: '/about',
+      externalResources: ['https://www.linkedin.com/company/community-of-coders-vjti/posts/?feedView=all']
+    },
+    {
+      route: '/teams',
+      externalResources: ['https://github.com/communityofcoders']
+    },
+    {
+      route: '/dashboard',
+      externalResources: ['https://docs.github.com/en']
+    },
+    {
+      route: '/dev-club',
+      externalResources: ['https://developer.mozilla.org', 'https://reactjs.org']
+    },
+    {
+      route: '/cp-club',
+      externalResources: ['https://codeforces.com', 'https://leetcode.com']
+    },
+    {
+      route: '/ai-group',
+      externalResources: ['https://pytorch.org', 'https://tensorflow.org']
+    },
+    {
+      route: '/eth-club',
+      externalResources: ['https://ethereum.org', 'https://web3.foundation']
+    },
+  ].map(({ route }) => ({
     url: `${baseUrl}${route}`,
     lastModified: new Date(),
     changeFrequency: 'weekly' as const,