Send SMS in Android without opening a messaging app

[auval]

I've added a new prop to enable sending sms in Android without opening a messaging app. The change is backward compatible (when not setting the prop to true, there is not change from current flow).

[auval]

Here's an example project that uses my pull request: https://github.com/auval/react-native-sms-contacts

[chuyeoh]

Please DO NOT merge this. Google store has changed its policy and normal apps are not allowed to send sms in the background but to forward the sms sending to a SMS/Communication type Application

Refer to docs https://support.google.com/googleplay/android-developer/answer/9047303?hl=en

[c0mm4nDer]

This PR is useful and direct send is optional. that means if somebody doesn't need those feature can, don't use!

[Kajanan02]

Using this application we can Send SMS in Android without opening a messaging app react-native-send-direct-sms