func (a *AddCmd) Run(conf *Configuration, i Indicator) error {
	conf.Locations[a.Name] = a.Value
	return a.Store.Save(conf)
}
Run adds the named location, overwriting the existing value if necessary.
package cmd
import (
	"errors"
	"fmt"
)
var (
	ErrAddNameMissing = errors.New("missing -name parameter")
	ErrAddLocationMissing = errors.New("missing -location parameter")
)
type AddCmd struct {
	Name  string
	Value string
	Store StorageProvider
}