chore: Add maintenance page (#208)

Co-authored-by: Meer Sawood <msawood@redhat.com>

Author: mathur07

src/app/app.component.html

@@ -1,5 +1,5 @@
 <router-outlet>
-    <app-banner *ngIf="label && version=='v1'"></app-banner>
-    <stack-details *ngIf="label && version=='v2'" [stack]="stackUrl && stackUrl !== '' && label && stackUrl"
-        [gatewayConfig]="gateway && gateway" [uuid]="uuid && uuid" style="text-align: left;"></stack-details>
+    <app-banner *ngIf="label"></app-banner>
+    <!-- <stack-details *ngIf="label && version=='v2'" [stack]="stackUrl && stackUrl !== '' && label && stackUrl"
+        [gatewayConfig]="gateway && gateway" [uuid]="uuid && uuid" style="text-align: left;"></stack-details> -->
 </router-outlet>

src/app/banner/banner.component.html

@@ -3,10 +3,9 @@
 
 <div class="box text">
     <div class="heading">
-        Update Your Dependency Analytics Extension!
+        Sorry, we are down for scheduled maintenance.
     </div>
     <div class="content">
-        <div>There is a updated version of Dependency Analytics Extension with new features</div>
-        <div>Click <u><a href="https://marketplace.visualstudio.com/items?itemName=redhat.fabric8-analytics" target="_blank" title="cmd/ctrl + click">here</a></u> to update</div>
+        <div>CRDA is upgrading its system. We will be back soon.</div>
     </div>
 </div>

src/app/banner/banner.component.less

@@ -1,5 +1,5 @@
 .bg {
-  background-image: url('../../assets/img/bg.png');
+  background-image: url('../../assets/img/rh-bg.jpg');
   filter: blur(8px);
   -webkit-filter: blur(8px);
   height: 850px;
@@ -21,20 +21,17 @@
   left: 50%;
   transform: translate(-50%, -50%);
   z-index: 2;
-  width: 60%;
+  width: 40%;
   padding: 20px;
   text-align: center;
-  &:hover {
-    box-shadow: 0 16px 24px 0 rgba(0, 0, 0, .2);
-  }
 }
 
 .text {
     font-family: Verdana, Geneva, Tahoma, sans-serif;
     .heading {
         font-size: 2em;
         margin: .5em;
-        color: black;
+        color: rgb(255, 255, 255);
     }
     .content {
         font-size: 1.2em;