update social links

Author: behackl

dist/index.html

@@ -41,7 +41,7 @@
         "name": "Manim Community",
         "url": "https://www.manim.community",
         "logo": "https://www.manim.community/logo.png",
-        "email": "devs(at)manim.community",
+        "email": "contact(at)manim.community",
         "description": "Manim is a community-maintained Python library for creating mathematical animations."
       }
     </script>
@@ -106,7 +106,7 @@
             </li>
             <li class="nav-item">
               <a
-                href="https://twitter.com/manim_community/"
+                href="https://twitter.com/manimcommunity/"
                 class="nav-link"
                 target="_blank"
                 rel="noopener noreferrer"
@@ -117,7 +117,7 @@
             </li>
             <li class="nav-item">
               <a
-                href="https://discord.gg/mMRrZQW"
+                href="https://manim.community/discord"
                 class="nav-link"
                 target="_blank"
                 rel="noopener noreferrer"