To contribute to this project, make sure you touch the 3 files:
- the code file
- the test file
- the doc file (README)
The steps are therefore:
- Add your contribution
- Write the unit test following the model already present
- Update the README by specifying the new functionality
- Create your REQUEST PULL
Notes: Thos links can help for adding a new extension
https://developer.mozilla.org/fr/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_typeshttps://support.google.com/webmasters/answer/35287