[refactoring] move servics related api calls to its own service

frontend/src/app/app.module.ts

@@ -22,6 +22,7 @@ import { FiatCurrencyPipe } from './shared/pipes/fiat-currency.pipe';
 import { ShortenStringPipe } from './shared/pipes/shorten-string-pipe/shorten-string.pipe';
 import { CapAddressPipe } from './shared/pipes/cap-address-pipe/cap-address-pipe';
 import { AppPreloadingStrategy } from './app.preloading-strategy';
+import { ServicesApiServices } from './services/services-api.service';
 
 const providers = [
   ElectrsApiService,
@@ -40,6 +41,7 @@ const providers = [
   FiatCurrencyPipe,
   CapAddressPipe,
   AppPreloadingStrategy,
+  ServicesApiServices,
   { provide: HTTP_INTERCEPTORS, useClass: HttpCacheInterceptor, multi: true }
 ];