Add prettier

Author: Michael Dijkstra

package.json

@@ -10,6 +10,10 @@
     "storybook": "start-storybook -p 6006",
     "build-storybook": "build-storybook"
   },
+  "prettier": {
+    "semi": false,
+    "singleQuote": true
+  },
   "keywords": [
     "performance",
     "react",
@@ -43,7 +47,8 @@
     "eslint-plugin-import": "^2.17.3",
     "eslint-plugin-node": "^9.1.0",
     "eslint-plugin-react": "^7.14.2",
-    "eslint-plugin-react-hooks": "^1.0.1"
+    "eslint-plugin-react-hooks": "^1.0.1",
+    "prettier": "1.19.1"
   },
   "files": [
     "dist/*"

yarn.lock

@@ -6480,6 +6480,11 @@ prepend-http@^1.0.0:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
   integrity sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw=
 
+[email protected]:
+  version "1.19.1"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.19.1.tgz#f7d7f5ff8a9cd872a7be4ca142095956a60797cb"
+  integrity sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew==
+
 pretty-error@^2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-2.1.1.tgz#5f4f87c8f91e5ae3f3ba87ab4cf5e03b1a17f1a3"