Add instance information page for mobile

src/components/about/about.js

@@ -0,0 +1,13 @@
+import InstanceSpecificPanel from '../instance_specific_panel/instance_specific_panel.vue'
+import FeaturesPanel from '../features_panel/features_panel.vue'
+import TermsOfServicePanel from '../terms_of_service_panel/terms_of_service_panel.vue'
+
+const About = {
+  components: {
+    InstanceSpecificPanel,
+    FeaturesPanel,
+    TermsOfServicePanel
+  }
+}
+
+export default About