Inform client when Electrum server limit exceeded

frontend/src/app/components/address/address.component.html

@@ -105,6 +105,14 @@
       <span i18n="address.error.loading-address-data">Error loading address data.</span>
       <br>
       <i>{{ error.error }}</i>
+      <ng-template [ngIf]="error.status === 413">
+        <br><br>
+        Consider view this address on the official Mempool website instead:
+        <br>
+        <a href="https://mempool.space/address/{{ addressString }}" target="_blank">https://mempool.space/address/{{ addressString }}</a>
+        <br>
+        <a href="http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion/address/{{ addressString }}" target="_blank">http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion/address/{{ addressString }}</a>
+      </ng-template>
     </div>
   </ng-template>