Update index.html

Author: HashSlap

index.html

@@ -61,8 +61,8 @@
   <nav>
     <div><strong>HSSoC</strong></div>
     <div>
-      <a href="#" target="_blank">Discord</a>
-      <a href="#" target="_blank">Twitter</a>
+      <a href="https://discord.gg/dN7nxYrN" target="_blank">Discord</a>
+      <a href="https://x.com/HashSlap" target="_blank">Twitter</a>
       <a href="https://github.com/HashSlap-Summer-of-Code" target="_blank">GitHub</a>
     </div>
   </nav>