Set up prettier

.stylelintrc.json

@@ -5,6 +5,7 @@
     "_sass/vendor/**/*.scss"
   ],
   "extends": [
+    "stylelint-prettier/recommended",
     "stylelint-config-primer"
   ],
   "plugins": ["stylelint-prettier"],

package-lock.json

@@ -4499,6 +4499,12 @@
         }
       }
     },
+    "stylelint-config-prettier": {
+      "version": "8.0.1",
+      "resolved": "https://registry.npmjs.org/stylelint-config-prettier/-/stylelint-config-prettier-8.0.1.tgz",
+      "integrity": "sha512-RcjNW7MUaNVqONhJH4+rtlAE3ow/9SsAM0YWV0Lgu3dbTKdWTa/pQXRdFWgoHWpzUKn+9oBKR5x8JdH+20wmgw==",
+      "dev": true
+    },
     "stylelint-config-primer": {
       "version": "9.0.0",
       "resolved": "https://registry.npmjs.org/stylelint-config-primer/-/stylelint-config-primer-9.0.0.tgz",

package.json

@@ -9,12 +9,13 @@
     "@primer/css": "^14.3.0",
     "prettier": "^2.0.5",
     "stylelint": "^10.0.1",
+    "stylelint-config-prettier": "^8.0.1",
     "stylelint-config-primer": "^9.0.0",
     "stylelint-prettier": "^1.1.2",
     "stylelint-selector-no-utility": "^4.0.0"
   },
   "scripts": {
-    "test": "stylelint '**/*.scss'"
+    "test": "stylelint '**/*.scss'",
     "format": "pretter --write '**/*.{scss,js,json}'"
   }
 }