Added BETA version notice.

Signed-off-by: Cristiano Urban <cristiano.urban@inaf.it>

vospace-ui-frontend/src/components/Main.vue

@@ -5,6 +5,9 @@
 -->
 <template>
 <div class="container">
+  <p style="color:red">
+    <strong>WARNING: application being tested in beta! Please, report bugs at <a href="mailto:vospace.ia2@inaf.it">vospace.ia2@inaf.it</a></strong>
+  </p>
   <b-breadcrumb :items="breadcrumbs"></b-breadcrumb>
   <div class="mb-3">
     <b-button variant="success" class="mr-2" :disabled="!writable" v-b-modal.create-folder-modal>New folder</b-button>

vospace-ui-frontend/src/components/TopMenu.vue

@@ -6,7 +6,7 @@
 <template>
 <div>
   <b-navbar toggleable="lg" type="dark" id="top-menu">
-    <b-navbar-brand href="#/" class="d-none d-md-block">VOSpace</b-navbar-brand>
+    <b-navbar-brand href="#/" class="d-none d-md-block">VOSpace<sup>BETA</sup></b-navbar-brand>
     <JobsMenuItem />
     <b-navbar-nav class="ml-auto">
       <b-nav-item href="login" class="mr-4" v-if="user === 'anonymous'">Login</b-nav-item>
@@ -36,4 +36,9 @@ export default {
   background-color: #093784;
   margin-bottom: 20px;
 }
+
+sup {
+  color: red;
+  margin-left: 2px;
+}
 </style>