Not able to install on OS X

[holms]

Trying to install ServiceBusExplorer.5.0.15.nupkg on osx and it fails.

• Installed nuget from brew: brew install nuget
• Downloaded package from github: wget https://github.com/paolosalvatori/ServiceBusExplorer/releases/download/5.0.15/ServiceBusExplorer.5.0.15.nupkg
• And installing nuget package:

holms@Romans-MBP ~/Downloads> nuget install ServiceBusExplorer.5.0.15.nupkg
Feeds used:
  https://api.nuget.org/v3/index.json

Installing package 'ServiceBusExplorer.5.0.15.nupkg' to '/Users/holms/Downloads'.
  GET https://api.nuget.org/v3/registration5-gz-semver2/servicebusexplorer.5.0.15.nupkg/index.json
  NotFound https://api.nuget.org/v3/registration5-gz-semver2/servicebusexplorer.5.0.15.nupkg/index.json 746ms
Unable to find package 'ServiceBusExplorer.5.0.15.nupkg'

[SeanFeldman]

See #286.

[ErikMogensen]

We should document the software requirements.