Committing the completion scripts bloats diffs, so stop committing them.
Before copying release files, generate the scripts in `bin/package`.
type: development
Shell completion scripts can be generated for `bash`, `elvish`, `fish`,
`powershell`, and `zsh` with the `completions` subcommand:
$ imdl completions --shell zsh > imdl.zsh
The same scripts are available in the `completions` directory. Please
refer to your shell's documentation for more information on how to
install and use completion scripts.
type: added
