Deleted message sender and promt service
Implemented fast whisper, but it is not working
WavStack refactored into QueueStack, which can use different strategies for proccessing
Created message service responsible for searching the prompts inside the recognized text and sending it to the client.
Created recognizer with two strategies: whisper and Dany's fast whisper.
Implemented file stack which works in the separated thread, sends the file to the recognizer and after that sends the message to the client (Rat, for example).
