Add support for QOI format

[dacap]

Add support to save/load .qoi files.

There are some other approach for faster file format (e.g. fpng) which we might want to look before the .qoi format.

Possible library to use:

• https://github.com/phoboslab/qoi

Requested for first time in ticket 3109:

• https://igarastudio.zendesk.com/agent/tickets/3109

[druves5582]

[druves5582]