Module to bridge CLI execution

[Kaliumhexacyanoferrat]

As the maintainer of a legacy console application, I would like to be able to invoke the tool via HTTP, so that I can integrate it with other systems.

Example

var process = ProcessService.Create("mycli"); // POST /mycli

Acceptance criteria

• The feature is implemented in a new module
• There is a model to return stdout and stderr (and the return code)
• There is a model to pass arguments and stream input
• The feature is documented on the GenHTTP website
• The feature is covered by acceptance tests