Adding "mempool block" details. Work in progress!

frontend/src/app/components/mempool-blocks/mempool-blocks.component.html

@@ -2,6 +2,7 @@
   <div class="flashing">
     <div *ngFor="let projectedBlock of mempoolBlocks; let i = index; trackBy: trackByFn">
       <div class="bitcoin-block text-center mempool-block" id="mempool-block-{{ i }}" [ngStyle]="getStyleForMempoolBlockAtIndex(i)">
+        <a [routerLink]="['/mempool-block/', i]" class="blockLink">&nbsp;</a>
         <div class="block-body" *ngIf="mempoolBlocks?.length">
           <div class="fees">
             <span class="yellow-color">~{{ projectedBlock.medianFee | ceil }} sats/vB</span>