[FEATURE] Add offline voice recognition

[JoaoCnh]

Goals:

• To be able to include both the Online Google Voice Recognizer and my Offline Voice Recognizer;
• Being able to have control over the Offline Voice Recognizer through events to enable a much better react-native experience;

...
    OfflineRecognizer.startCapture(); 
    OfflineRecognizer.isCapturing();
    OfflineRecognizer.stopCapture();
...

Name is not yet final. Any ideas and thoughts on how it all should be named (module, methods, etc.) please share.

[de-code]

I am interested in that, what is your 'Offline Voice Recognizer'? Do you already have something that you want to adapt? Google Voice Recognizer should have the ability to work offline as well in theory.