feat(customization): new customization service api (#4688)

extensions/default/src/customizations/dataSourceConfigurationCustomization.ts

@@ -0,0 +1,19 @@
+import DataSourceConfigurationComponent from '../Components/DataSourceConfigurationComponent';
+import { GoogleCloudDataSourceConfigurationAPI } from '../DataSourceConfigurationAPI/GoogleCloudDataSourceConfigurationAPI';
+
+export default function getDataSourceConfigurationCustomization({
+  servicesManager,
+  extensionManager,
+}) {
+  return {
+    // the generic GUI component to configure a data source using an instance of a BaseDataSourceConfigurationAPI
+    'ohif.dataSourceConfigurationComponent': DataSourceConfigurationComponent.bind(null, {
+      servicesManager,
+      extensionManager,
+    }),
+
+    // The factory for creating an instance of a BaseDataSourceConfigurationAPI for Google Cloud Healthcare
+    'ohif.dataSourceConfigurationAPI.google': (dataSourceName: string) =>
+      new GoogleCloudDataSourceConfigurationAPI(dataSourceName, servicesManager, extensionManager),
+  };
+}