Allow CTRL F an address on the transaction list component

frontend/src/app/shared/pipes/cap-address-pipe/cap-address-pipe.ts

@@ -0,0 +1,12 @@
+import { Pipe, PipeTransform } from '@angular/core';
+
+@Pipe({ name: 'capAddress' })
+export class CapAddressPipe implements PipeTransform {
+  transform(str: string, cap: number, leftover: number) {
+    if (!str) { return; }
+    if (str.length <= cap) {
+      return str;
+    }
+    return str.slice(-Math.max(cap - str.length, leftover));
+  }
+}