Summary:
I find it easier to understand the behavior of a component when there is a simple example showing its usage. I recently used the CheckBox component and noticed that it doesn't have a code example. This PR adds an example to the CheckBox documentation.
N/A
[DOCS][ENHANCEMENT][CheckBox] - Added example to documentation
Closes https://github.com/facebook/react-native/pull/16489
Differential Revision: D6260998
Pulled By: hramos
fbshipit-source-id: 7c6f9677741a4c0483eb1f5405cd05f8bbdd83aa