add: ignore .DS_Store for environment OSX
add: ignore .DS_Store for environment OSX

jThreeJS/jThree,jThreeJS/jThree,jThreeJS/jThree,GrimoireGL/GrimoireJS,jThreeJS/jThree,GrimoireGL/GrimoireJS,GrimoireGL/GrimoireJS,GrimoireGL/GrimoireJS