Set an application as the default
Set an application as the default which will be used for all further operations unless specified otherwise.
stream-cli config default [app-name] [flags]
# Set an application as the default
$ stream-cli config default staging
# All underlying operations will use it if not specified otherwise
$ stream-cli chat get-app
# Prints the settings of staging app
# Specifying other apps during an operation
$ stream-cli chat get-app --app prod
# Prints the settings of prod app
  -h, --help   help for default
      --app string      [optional] Application name to use as it's defined in the configuration file
      --config string   [optional] Explicit config file path