Add "escape hatch" when running as web app on app.helena.express

www/pages/home.html

@@ -9,6 +9,12 @@
         <div class="navbar-inner">
             <div class="title">{{js "SETTINGS.branding.apptitle"}}</div>
             <div class="right">
+                {{#if escapehatch}}
+                <a href="https://helena.express" class="link external">
+                    <i class="fal fa-portal-exit"></i>
+                    <span>Back to Website</span>
+                </a>
+                {{/if}}
                 <a href="/settings" class="link icon-only hapticbtn">
                     <i class="fal fa-cog"></i>
                 </a>

www/routes.js

@@ -30,11 +30,17 @@ var routes = [
         async: function (routeTo, routeFrom, resolve, reject) {
             // Show a nag message if no account is set up
             var accountsetup = (inStorage("accountkey") && inStorage("phonenumber")) || getStorage("hideaccountnag") == "true";
+            // add escape hatch to regular website if running online
+            var escapehatch = false;
+            if (window.location.hostname == "app.helena.express") {
+                escapehatch = true;
+            }
             resolve({
                 templateUrl: './pages/home.html'
             }, {
                 context: {
                     accountsetup: accountsetup,
+                    escapehatch: escapehatch,
                     pages: [
                         {
                             title: "Drop and Send",