Insert four spaces before line content did not transform to html

[mashihua]

Open demo insert content in markdown editor like bellow code which lead four spaces before input content, the draft.js editor did not show any html.

    [google](https://google.com)

[orlandodemauro]

@Rosey first of all thank you so much for your work. I'm facing the same issue when adding a list with more than 4 space like - mytext, any update on this issue?