Update react-native.md

[alDuncanson]

Moved meteor out of named imports, as it's a default import.

TODO:

• [x] If this is a significant change, update CHANGELOG.md
• [x] Use <h2 id="foo"> instead of ## Foo for headers
• [x] Leave a blank line after each header

[CLAassistant]

All committers have signed the CLA.

[filipenevola]

thanks 😉