Add empty rubocop config file.
Add empty rubocop config file.

Rubocop also looks $HOME for the configuration file. Since you are
using the default cops from Rubocop, this change ensures that the
default cops are always used.

stamm/facebook-messenger,jgorset/facebook-messenger,jgorset/facebook-messenger,stamm/facebook-messenger,hyperoslo/facebook-messenger,hyperoslo/facebook-messenger