Add `lib` folder and `Videos.js`
Add `lib` folder and `Videos.js`

`current` — holds most recent gotten videos; not used anywhere yet.
`get` — takes a subreddit name (e.g. ‘listentothis’) and triggers an
event with the response, which is listened for in `content.jsx`.

skylarmb/reddi.tv,skylarmb/reddi.tv