refactor xmr rate module to exchange rate module for multi crypto support

backend/src/AppModule.ts

@@ -9,7 +9,7 @@ import {
     getCoingeckoConfig,
     getEncryptionConfig,
     getJwtConfig,
-    getKrakenConfig,
+    getCoinPaprikaConfig,
     getOrderConfig,
     getInvoiceConfig,
     getMoneroWalletConfig,
@@ -35,7 +35,7 @@ import { StorefrontCheckoutModule } from './modules/storefrontCheckout/Storefron
 import { StorefrontOrderModule } from './modules/storefrontOrder/StorefrontOrderModule';
 import { StorefrontCoreModule } from './modules/storefrontCore/StorefrontCoreModule';
 import { StorefrontProductModule } from './modules/storefrontProduct/StorefrontProductModule';
-import { XmrRateModule } from './modules/xmrRate/XmrRateModule';
+import { ExchangeRateModule } from './modules/exchangeRate/ExchangeRateModule';
 import { Config } from './types/Config';
 
 @Module({
@@ -49,7 +49,7 @@ import { Config } from './types/Config';
                 registerAs('app', getAppConfig),
                 registerAs('jwt', getJwtConfig),
                 registerAs('coingecko', getCoingeckoConfig),
-                registerAs('kraken', getKrakenConfig),
+                registerAs('coinPaprika', getCoinPaprikaConfig),
                 registerAs('encryption', getEncryptionConfig),
                 registerAs('shopSettings', getShopSettingsConfig),
                 registerAs('order', getOrderConfig),
@@ -74,7 +74,7 @@ import { Config } from './types/Config';
                 };
             }
         }),
-        XmrRateModule,
+        ExchangeRateModule,
         TypeOrmModule.forRootAsync({
             useFactory: (configService: ConfigService) => configService.get('postgres') as Config['postgres'],
             inject: [ConfigService]