Add `.res` files to `.gitignore`
Add `.res` files to `.gitignore`

emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata,emilybache/GildedRose-Refactoring-Kata