Add emoji workflow

Please add this workflow...
But i don't know where to put captures and binary for download, sorry... :sob: 

- [Repository](https://github.com/1000ch/emoji-workflow)
- [Download](https://github.com/1000ch/emoji-workflow/raw/master/Emoji.alfredworkflow)
- [Capture](https://raw.github.com/1000ch/emoji-workflow/master/screenshot/emoji.png)