Hotfix for TG link RIVM-77

Author: vikulin

contrib/ui/mesh-ui/ui/index.html

@@ -256,7 +256,7 @@
         <div class="media-content">
           <div class="content">
             <div style="margin-left: 20px; margin-right: 10px;">
-              <a class="target_new_window button" href="#https://github.com/RiV-chain/RiV-mesh">
+              <a class="target_new_window button" href="#https://t.me/rivchain">
                 <span class="icon">
                   <i class="fab fa-telegram"></i>
                 </span>