fix: include user and token service interfaces in index.ts

Include user and token service interfaces
in ./service.index.ts and ./index.ts

Author: emonddr

packages/authentication/src/index.ts

@@ -6,5 +6,6 @@
 export * from './authentication.component';
 export * from './decorators';
 export * from './keys';
+export * from './services';
 export * from './strategy-adapter';
 export * from './types';

packages/authentication/src/services/session.service.ts renamed to packages/authentication/src/services/index.ts

@@ -3,6 +3,5 @@
 // This file is licensed under the MIT License.
 // License text available at https://opensource.org/licenses/MIT
 
-// TBD: create a new story to design session service, it will be about tracking the user using
-// empty session service interface for now.
-export interface SessionService {}
+export * from './token.service';
+export * from './user.service';