attachRootView

Attach given {@param reactRoot} to a catalyst instance manager and start JS application using JS module provided by getJSModuleName. If the react context is currently being (re)-created, or if react context has not been created yet, the JS application associated with the provided reactRoot reactRoot will be started asynchronously, i.e this method won't block. This reactRoot will then be tracked by this manager and in case of catalyst instance restart it will be re-attached.