list projects for more > 50

[PeterPetrik]

fix #133

also added bunch of extra filters:

Usage: mergin list-projects [OPTIONS]

  List projects on the server.

Options:
  --flag TEXT          What kind of projects (e.g. 'created' for just my
                       projects,'shared' for projects shared with me. No flag
                       means returns all public projects.
  --name TEXT          Filter projects with name like name
  --namespace TEXT     Filter projects with namespace like namespace
  --order_params TEXT  optional attributes for sorting the list.It should be a
                       comma separated attribute nameswith _asc or _desc
                       appended for sorting direction.For example:
                       "namespace_asc,disk_usage_desc".Available attrs:
                       namespace, name, created, updated, disk_usage, creator
  --help               Show this message and exit.

[PeterPetrik]

CU-2gbfhjt

[alexbruy]

Only minor formatting issue in the command help

[varmar05]

fix #133