list command

[haoliangyu]

The list command is for app project ONLY. This command read the plugins list from the koop.js file and print the plugin names:

# not specify any plugin type, then list everything
> koop list
Provider:
- geojson-provider
- csv-provider

Output:
- geoservice-output

Auth:
- koop-file-auth

# specify a type
> koop list provider
Provider
- geojson-provider
- csv-provider

These names can be used in the remove command (#53). The remove command and add command should update the plugin list in the koop.js:

{
  "plugins": [
    {
      "name": "test-provider",
      "type": "proider"
    },
    {
      "name": "test-output",
      "type": "output",
      "local": true
    }
  ]
}

It should not directly parse the src/plugins.js file because it may be too complicated to include all variations in js.

This command works best with a project created with the latest version of CLI.