Added new Read the Docs configuration file.
Merge pull request #3 from cedricbonhomme/dependabot/pip/pillow-9.3.0
chg: [dependencies] Updated pillow.
chg: [dependencies] Updated Pillow.
added flake8 in the list of dev dependencies.
various minor fixed and added build configuration file.
added packages in pyproject.toml
bumped version number and updated changelog