Match xplat/yoga/javascript prettier conventions

Summary:
Match Prettier config to match other Meta OSS projects

Didn't update the test generator to use this form yet.

Reviewed By: yungsters

Differential Revision: D45570415

fbshipit-source-id: d5fd791b047debf41c28aecac75fb8dde16da3e3

javascript/src_js/entrypoint/_entryAsync.js

@@ -7,9 +7,9 @@
  * @format
  */
 
-const wrapAsm = require("../wrapAsm");
+const wrapAsm = require('../wrapAsm');
 
-module.exports = (loadAsm) => ({
+module.exports = loadAsm => ({
   loadYoga: () => loadAsm().then(wrapAsm),
-  ...require("../generated/YGEnums"),
+  ...require('../generated/YGEnums'),
 });