Normalize JSON output for network and volume resources. (#1624)
- Reworks both JSON output presets to use sorted keys, ISO timestamps.
`compact` is used for `ls` output, and `pretty` is used for `inspect`.
- Extracts non-DRY option configuration into presets.
- Closes#1623.
## Type of Change
- [x] New feature
## Motivation and Context
Related to https://github.com/apple/container/issues/1404.
This PR adds the initial work to have volume resources conform to
ManagedResource, in alignment with other resources such as networks (see
[here](https://github.com/apple/container/pull/1421)). Further work is
necessary to move the use of `VolumeResource` down to the APIServer (in
the VolumesService) and in the volume client. Volumes do not currently
have any plugin or runtime state, so that information is not included in
the `VolumeResource`, but could be added later if needed.
## Testing
- [x] Tested locally
Signed-off-by: Kathryn Baldauf <k_baldauf@apple.com>
J Logan