DONE: Add QS Cloud subcommand for listing all available collections

[mountaindude]

All apps that should have their sheet icons updated could be placed in a collection, then BSI will get the collection ID via a parameter.

Might be hard to know though which collections exists. Output this info via new cloud subcommand, for example

➜  node butler-sheet-icons.js qscloud list-collections --help
Usage: butler-sheet-icons qscloud list-collections [options]

List available collections.

Options:
  --loglevel <level>  log level (error, warning, info, verbose, debug, silly) (default: "info")
  --tenanturl <url>   URL to Qlik Sense cloud tenant
  --apikey <key>      API key used to access the Sense APIs
  -h, --help          display help for command
➜ 

[mountaindude]

Released in version 2.0.0.