Update index.ts

Author: nmetulev

packages/mgt-spfx/src/index.ts

@@ -1,4 +1,4 @@
 export { MgtLibrary } from './libraries/mgt/MgtLibrary';
-export { SharePointProvider } from '@microsoft/mgt-sharepoint-provider';
+export * from '@microsoft/mgt-sharepoint-provider';
 export * from '@microsoft/mgt-components';
-export { Providers } from '@microsoft/mgt-element';
+export * from '@microsoft/mgt-element';