Complete the learning of the pronunciation

[pythonbrad]

Description

The implementation of the pronunciation lesson was just for presentation.
We should finalize it, at least a working version.

Useful resources

For the text to speech in any Latin based African languages, we can consult

• https://translation.ghananlp.org/

Google takes in account African languages, we can give a try

• https://cloud.google.com/speech-to-text?hl=en

We can also develop an open-source phonetic TTS.