Add network_driver_opt to client.containers run and create

[Skazza94]

This pull request adds an additional parameter to client.containers.run and client.containers.create called network_driver_opt.

This parameter allows to specify a dict which allows to pass to the driver some custom values, and it is the same already present in Network.connect.

I requested this feature in #2896, but it was never implemented.

I think it could be useful to also export other parameters of networking_config.

[milas]

Thanks for the PR! This looks good to me, I just need you to sign-off on the commits before I can accept it. There's instructions at https://github.com/docker/docker-py/pull/3083/checks?check_run_id=10326470472 if you're unfamiliar with the process.

Also, I agree re: exposing more of networking_config. It doesn't feel great to piecemeal expose parts of it, but this is consistent with the other methods (e.g. Network::connect()) as you pointed out, so let's go with it! 🙃

[Skazza94]

Hi @milas,
thanks for reviewing the PR 😄. I signed the commits.

Also, I agree re: exposing more of networking_config. It doesn't feel great to piecemeal expose parts of it, but this is consistent with the other methods (e.g. Network::connect()) as you pointed out, so let's go with it! 🙃

I agree that it is consistent with the Network.connect method. As soon as I have time, I will also export the remaining network parameters to client.containers run and create.