Updated Prettier tasks to cover gatsby-* JS files in root

gatsby-node.js

@@ -116,9 +116,10 @@ exports.createPages = async ({graphql, boundActionCreators}) => {
 
         redirect.forEach(fromPath => {
           if (redirectToSlugMap[fromPath] != null) {
-            console.error(`Duplicate redirect detected from "${fromPath}" to:\n` +
+            console.error(
+              `Duplicate redirect detected from "${fromPath}" to:\n` +
                 `* ${redirectToSlugMap[fromPath]}\n` +
-              `* ${slug}\n`
+                `* ${slug}\n`,
             );
             process.exit(1);
           }
@@ -138,7 +139,7 @@ exports.createPages = async ({graphql, boundActionCreators}) => {
     `
       {
         allMarkdownRemark(
-        limit: 1,
+          limit: 1
           filter: {id: {regex: "/blog/"}}
           sort: {fields: [fields___date], order: DESC}
         ) {

package.json

@@ -77,8 +77,8 @@
     "dev": "gatsby develop -H 0.0.0.0",
     "lint": "eslint .",
     "netlify": "yarn install && yarn build",
-    "prettier": "prettier --config .prettierrc --write \"{flow-typed,plugins,src}/**/*.js\"",
+    "prettier": "prettier --config .prettierrc --write \"{gatsby-*.js,{flow-typed,plugins,src}/**/*.js}\"",
-    "prettier:diff": "prettier --config .prettierrc --list-different \"{flow-typed,plugins,src}/**/*.js\"",
+    "prettier:diff": "prettier --config .prettierrc --list-different \"{gatsby-*.js,{flow-typed,plugins,src}/**/*.js}\"",
     "reset": "rimraf ./.cache"
   },
   "devDependencies": {