Add options to Workflow::Runner initialize

[agrare]

Add a way for the caller to initialize the docker runner and pass options.

This is going to be important for the kubernetes runner because we're going to have to pass options for authentication

[Fryguy]

I believe we expect only the first = to be the delimiter, and any subsequent ones would be part of the value, so I think this is more accurate:

Suggested change

	runner_options = opts[:docker_runner_options].to_h { |opt| opt.split("=") }
	runner_options = opts[:docker_runner_options].to_h { |opt| opt.split("=", 2) }

[Fryguy]

Might be useful to have a spec for this case too

[Fryguy]

@agrare If possible, please add a spec for this case.

[Fryguy]

Oh nvm, I thought the runner spec was doing a full run using the CLI, but it's only stubbing the underlying kubernetes call and then calling fro the runner class directly. Since we don't have specs for the floe script, I can merge now and we can include that in future specs for that executable.

[miq-bot]

Checked commits agrare/floe@bdf3751~...7982080 with ruby 2.6.10, rubocop 1.28.2, haml-lint 0.35.0, and yamllint
3 files checked, 1 offense detected

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