implement command to list packages

xst packages list [options]

Aliases:

Should return tabulated list of package-abbreviations.

Example Output:

package-service
dashboard
monex
html-templating
eXide

Possible options:

--versions, -V : list installed version
--libraries, -l or -L: list only installed libraries
--applicationts, -a or -A: list only installed applications
--filter, -f: list only libraries and/or applications that match a given pattern
--extended, -e: add more information to the result (date of installation, namespace URI, declared dependencies, ...)
--json, -j: return result as json (in order to pipe it to jq for example or store it in a file)
--full-name: return namespace URIs instead of abbreviated names

eXist-db / xst