Add new argument `--show-optional` to `dagger input list`.
Now by default, `dagger input list` will only show required input.
To get all inputs (including those with default value), you can use
that new argument.
Test has been updated to support changes.
Signed-off-by: Tom Chauveau <tom.chauveau@epitech.eu>
Rather than injecting universe at runtime, this change will vendor
alpha.dagger.io in `cue.mod` directly.
Fixes#700
Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
