Python-on-whales

* Added an option to log the commands used by setting the environment variable: `PYTHON_ON_WHALES_DEBUG=1`
* Fixed a bug when parsing the daemon response on images that don't have layers, thanks KSmanis !

* Added docker.compose.config()
* Fixed a bug where the environment variables were not propagated correctly.

* When downloading buildx, use the version 0.5.1 (148)
* Added imagetools and docker.buildx.imagetools.inspect(...) (149)
* Removed docker app and added docker.buildx.imagetoools.inspect to the docs.(150)
* Added docker.compose.kill() (151)
* Added docker compose create and new compose down options. (152)
* Fix spelling in the main project description (153), thanks mjhea0 !
* Added docker.compose.pause() and docker.compose.unpause() (155)

* When the Docker CLI is not installed, now the client 20.10.5 is downloaded instead of the 19.03.10.
* Some refactoring, cleaning up the models and separate them from the rest of the codebase.
* Improved the docs (containers and downloading the Docker CLI).

v.14.3
* Fix a bug when parsing the empty response of Compose with a recent version that doesn't have the experimental warning.

Fixed a bug that was triggered when parsing the system info output

* Fixed a bug occuring when pasing the response of the docker daemon for a task without the node id.