fix copy issue in mac

Author: KurtGokhan

package.json

@@ -41,7 +41,7 @@
   "scripts": {
     "prebuild": "yarn clean",
     "build": "tsc -d && yarn copy-files",
-    "copy-files": "copyfiles -u 1 src/**/*.scss dist/src",
+    "copy-files": "copyfiles -u 1 \"src/**/*.scss\" dist/src",
     "prepare": "yarn clean && yarn build",
     "watch": "concurrently --kill-others \"yarn watch:tsc\" \"yarn watch:files\"",
     "watch:tsc": "tsc -d --watch --sourceMap",