Demo esgissue-client release

This the software version that has been used during the ESDoc-ERRATA esgissue-client.
Please be advised, this is a pre-release version, use at your own risk.

Alpha version:

Alpha version of the ESDoc-ERRATA command line client.
Contents:

Issue creation command.
Issue update command.
Issue close command.
Issue download command.
Inputs:

Issue schema using json file needs to be compliant with specific issue schema detailed in documentation.

Dataset text file listing the datasets affected by the issue to be created, updated or closed.

UID of the issues to download.