Add support for iframe

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#44 opened on Oct 24, 2020 0 comments 0 reactions 0 assignees View on GitHub

Description

## Describe the feature

Eg the expo.io provide good ability for playground, hopefully we could have iframe for it.

![image](https://user-images.githubusercontent.com/1519232/97064533-4e03a100-155b-11eb-88e4-fa36bd850d22.png)

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