Use typescript path aliases for build time import path resolution

frontend/src/app/shared/pipes/fiat-currency.pipe.ts

@@ -1,7 +1,7 @@
 import { formatCurrency, getCurrencySymbol } from '@angular/common';
 import { Inject, LOCALE_ID, Pipe, PipeTransform } from '@angular/core';
 import { Subscription } from 'rxjs';
-import { StateService } from '../../services/state.service';
+import { StateService } from '@app/services/state.service';
 
 @Pipe({
   name: 'fiatCurrency'
@@ -29,4 +29,4 @@ export class FiatCurrencyPipe implements PipeTransform {
       return new Intl.NumberFormat(this.locale, { style: 'currency', currency }).format(num);
     }
   }
-}
+}