Export NavigationComponentListener (#6250)

It was left out of ec7f324 by mistake

Author: guyca

lib/src/index.ts

@@ -11,3 +11,4 @@ export * from './interfaces/Layout';
 export * from './interfaces/Options';
 export * from './interfaces/NavigationComponent';
 export * from './interfaces/NavigationComponentProps';
+export * from './interfaces/NavigationComponentListener';