Replace less with scss, add homepage widgets, add registrars selector and registrars page (#2114)

* Replace less compiler with scss

* Replace less with scss, add homepage widgets, add registrars selector and registrars page

console-webapp/src/app/header/header.component.html

@@ -5,6 +5,7 @@
     </button>
     <span>Google Registry</span>
     <span class="spacer"></span>
+    <app-registrar-selector />
     <button mat-icon-button aria-label="Open FAQ">
       <mat-icon>question_mark</mat-icon>
     </button>

console-webapp/src/app/header/header.component.scss

@@ -12,6 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+.console-app__header {
+  margin-top: 0;
+}
 .spacer {
   flex: 1;
 }

console-webapp/src/app/header/header.component.ts

@@ -17,7 +17,7 @@ import { Component, EventEmitter, Output } from '@angular/core';
 @Component({
   selector: 'app-header',
   templateUrl: './header.component.html',
-  styleUrls: ['./header.component.less'],
+  styleUrls: ['./header.component.scss'],
 })
 export class HeaderComponent {
   private isNavOpen = false;