fix(index): missing export runAfterBootstrapEffects (#116)

missing export `runAfterBootstrapEffects` was causing AOT to fail 

https://github.com/ngrx/effects/issues/115

Author: pfrendo

index.ts

@@ -3,3 +3,4 @@ export { Actions } from './src/actions';
 export { EffectsModule } from './src/effects.module';
 export { EffectsSubscription } from './src/effects-subscription';
 export { toPayload } from './src/util';
+export { runAfterBootstrapEffects } from './src/bootstrap-listener';