Add custom rubocop config.
Add custom rubocop config.

Enable rails cops and ignore DB schemas.

EvgeneOskin/hello_animals_rails,EvgeneOskin/animals-rails,EvgeneOskin/animals-rails,EvgeneOskin/hello_animals_rails,EvgeneOskin/animals-rails,EvgeneOskin/hello_animals_rails,EvgeneOskin/hello_animals_rails,EvgeneOskin/animals-rails