Install the timer(written in GO) and lolcat(written in Ruby)
Add the .bashrc file in root directory (NOTE: this file config is only for linux users)
Checkout the sample Video for pomodoro session with pop-up notification and text-to-speech converter(using std-say in bash), (this video doesn't showcase the audio feature, just run it on your machine it will work)
The thread which helped me- https://gist.github.com/bashbunni/3880e4194e3f800c4c494de286ebc1d7