Run prettier against all the filetypes it can

.prettierignore

@@ -0,0 +1,6 @@
+node_modules/
+bower_components/
+dist/
+package-lock.json
+# npm install will reformat package.json which can conflict with prettier
+package.json

package.json

@@ -70,6 +70,6 @@
       "BABEL_ENV=production webpack --config webpack.config.production.js && node pre-render.js",
     "lint": "eslint .",
     "test": "karma start --single-run --browsers PhantomJS",
-    "pretty": "prettier --write \"app/scripts/**/*.js\""
+    "pretty": "prettier --write '**/*.{js,jsx,ts,css,less,scss,json}'"
   }
 }