* Document how to use index.js as entry point (ios)

* android too

* android too (fixed)

This code block appears fine on GitHub, but is malformatted on the site. This commit updates it to fit the format of other code blocks in the docs, so it should appear okay.

added some elaborations to make it easier for developers with no ios experience.

* Fix documentation website link

* Update docs

* Initial commit

* Initial commit

* Clean-up title