Bash auto completion for ank CLI

[christoph-hamm]

Description

We should write an auto completion script for bash, to make the usage for the ank CLI easier.

Goals

Add auto completion script.

Final result

Summary

To be filled when the final solution is sketched.

Tasks

• [ ] Auto completion for command names
• [ ] Auto completion for workload names (only where workload names are used)
• [ ] Auto completion of filenames (only where filenames are used)

[windsource]

Maybe we can add support for zsh autocompletion as well.