added less files and config files to the prettier script (#3154)

scripts/prettier.js

@@ -16,8 +16,12 @@ let didError = false;
 let files = [];
 const jsFiles = glob.sync('src/**/*.js*', { ignore: ['**/node_modules/**', 'build/**'] });
 const tsFiles = glob.sync('src/**/*.ts*', { ignore: ['**/node_modules/**', 'build/**'] });
+const configFiles = glob.sync('config/**/*.js*', { ignore: ['**/node_modules/**', 'build/**'] });
+const lessFiles = glob.sync('src/**/*.less*', { ignore: ['**/node_modules/**', 'build/**'] });
 files = files.concat(jsFiles);
 files = files.concat(tsFiles);
+files = files.concat(configFiles);
+files = files.concat(lessFiles);
 if (!files.length) {
   return;
 }