Plan for the next release

Help is very much needed on all this, any contribution will be appreciated.

- [x] Convert C++ api to pure C api for improved interoperatbility (mingw, ios).
- [ ] Windows build (pull request #28)
- [x] Mac build
- [ ] Implement more pythonic API (#31)
- [ ] Automatic download of the model (#11)
- [ ] Basic unit tests
- [ ] API documentation and samples
- [ ] Merge websocket server
- [x] Implement gRPC server
- [x] Speaker identification
- [ ] Spotting design (more lightweight acoustic model?)
- [ ] Node module
- [ ] Submit pull request to use Vosk api to major assistants - rhasspy, mycroft, susi, magicmirror, etc.
- [ ] Put jars on bintray
- [ ] Implement quantization (#140 )