add cat_repo update and user_repo
Merge branch 'pet-shop-server' of https://github.com/MelizzaP/ruby-course into pet-shop-server
add dog repo
Merge branch 'pet-shop-server' of https://github.com/MelizzaP/ruby-course into pet-shop-server

Conflicts:
	lib/repo/cat_repo.rb
Merge branch 'pet-shop-server' of https://github.com/MelizzaP/ruby-course into pet-shop-server
add dog repo
add cat_repo for variables
Merge branch 'pet-shop-server' of https://github.com/MelizzaP/ruby-course into pet-shop-server