Moved Prettier config to config file

Author: bvaughn

.prettierrc

@@ -0,0 +1,8 @@
+{
+  "bracketSpacing": false,
+  "jsxBracketSameLine": true,
+  "parser": "flow",
+  "printWidth": 80,
+  "singleQuote": true,
+  "trailingComma": "all"
+}

package.json

@@ -71,7 +71,7 @@
     "dev": "gatsby develop -H 0.0.0.0",
     "lint": "eslint .",
     "netlify": "yarn install && yarn build",
-    "prettier": "prettier --no-bracket-spacing --single-quote --jsx-bracket-same-line --trailing-comma all --print-width 80 --parser flow --write 'src/**/*.js'",
+    "prettier": "prettier --config .prettierrc --write '{flow-typed,plugins,src}/**/*.js'",
     "reset": "rimraf ./.cache"
   },
   "devDependencies": {