add ruff as default code formatter and linter

as it supports single qoutes and is nicely integrated with vscode. https://docs.astral.sh/ruff/configuration/

also drop .pylintrc, sync editorconfig with ruff config and format every peace of code

assigned to @uveentj

created branch 97-add-ruff-as-default-code-formatter-and-linter to address this issue

mentioned in merge request !71 (merged)

mentioned in commit 71e25289

closed with merge request !71 (merged)