install stylelint-scss

Author: shawnbot

package.json

@@ -76,6 +76,7 @@
     "stylelint": "^10.1.0",
     "stylelint-config-primer": "^9.0.0",
     "stylelint-only": "^1.0.1",
+    "stylelint-scss": "^3.12.0",
     "table": "5.2.3",
     "typographic-base": "^1.0.4",
     "unified": "^7.1.0",