added snippets and formatted code

- added more async snippets
- updated js/function.sublime-snippet
- updated js/array.sublime-snippet
- updated js/array.sublime-snippet
- updated js/console.log.sublime-snippet
- updated js/if.sublime-snippet
- updated js/anonymous function.sublime-snippet
- updated js/anonymous function.sublime-snippet
- updated js/anonymous function.sublime-snippet
- updated styles
- formatted code
- updated .forEach
- formatted Object.keys
- formatted it(...)