Add USD serie in block fee/reward charts

frontend/src/app/app.module.ts

@@ -13,6 +13,7 @@ import { SharedModule } from './shared/shared.module';
 import { StorageService } from './services/storage.service';
 import { HttpCacheInterceptor } from './services/http-cache.interceptor';
 import { LanguageService } from './services/language.service';
+import { FiatShortenerPipe } from './shared/pipes/fiat-shortener.pipe';
 import { ShortenStringPipe } from './shared/pipes/shorten-string-pipe/shorten-string.pipe';
 import { CapAddressPipe } from './shared/pipes/cap-address-pipe/cap-address-pipe';
 
@@ -37,6 +38,7 @@ import { CapAddressPipe } from './shared/pipes/cap-address-pipe/cap-address-pipe
     StorageService,
     LanguageService,
     ShortenStringPipe,
+    FiatShortenerPipe,
     CapAddressPipe,
     { provide: HTTP_INTERCEPTORS, useClass: HttpCacheInterceptor, multi: true }
   ],