Implementing Internationalization in p5 editor for gsoc 2019

Hey everyone , I am Siddhant , I am a fullstack web developer and I would love to work on the processing p5.js web editor this year.
I would love to work on p5’s “Mobile/Responsive Design Implementation” and " Internationalization" for this year gosc 2019.
I have personally used p5.js (thanks Daniel Schiffman!) and would love to contribute in this service.
It would be great if someone could guide me as to how I can start with this.
I have opened some issues and pull requests already and would love a look from the mentors that can guide me and tell me further project details.

Links to some of the improvements that I suggested and can work on:-