Update index.html

docs/index.html

@@ -42,7 +42,7 @@
             <span class="icon-bar"></span>
             <span class="icon-bar"></span>
           </button> -->
-          <a class="navbar-brand" href="#">RainNet</a>
+          <a class="navbar-brand" href="#">SimSwap</a>
         </div>
         <!-- <div id="navbar" class="navbar-collapse collapse">
           <form class="navbar-form navbar-right">