add "powered by" text when running on hop

src/front/cobalt.css

@@ -658,6 +658,10 @@ input[type="checkbox"] {
 #pd-share {
     display: none;
 }
+#hop-attribution {
+    display: block;
+    text-align: right;
+}
 /* adapt the page according to screen size */
 @media screen and (min-width: 2300px) {
     html {

src/modules/pageRender/page.js

@@ -106,6 +106,7 @@ export default function(obj) {
                             "title": t("CollapsePrivacy"),
                             "body": t("PrivacyPolicy")
                         }])
+                        + `${process.env.DEPLOYMENT_ID && process.env.INTERNAL_IP ? '<a id="hop-attribution" class="explanation" href="https://hop.io/" target="_blank">powered by hop.io</a>' : ''}`
                     }]
                 })
             }, {