The .next folder doesn't need to be tracked

* Created Expo example project

* Update examples/with-expo/README.md

* Updated usage guide

* Update README.md

* Lint fix
Co-authored-by: NLuis Alvarez <luis@vercel.com>

Without babel-core, "lingui extract" gives TypeError: Api.call... function is undefined

Introduces a new plugin option to configure the module that the transpiled files should import. 
Should unblock https://github.com/zeit/next.js/issues/10149 and support for yarn v2 once #10149 is complete.

https://github.com/zeit/styled-jsx/releases/tag/v3.3.0

* npm init next-app

* add example video-player component with HLS.js

* add README for example with HLS.js

* update name in package.json

* Update examples/with-hls-js/.gitignore
Co-authored-by: NLuis Alvarez D. <luis@vercel.com>

* Update license to MIT
Co-authored-by: NLuis Alvarez D. <luis@vercel.com>

* Update next version to latest
Co-authored-by: NLuis Alvarez D. <luis@vercel.com>

* remove unused pages/api
Co-authored-by: NLuis Alvarez D. <luis@vercel.com>

* Add tests for getStaticPaths

* Fix edge case in fetch polyfill

Fixes #12794

* Correct typo in tests

* sort posts by date in descending order

Hi, I'm extending getAllPosts function to sort posts array by date in descending order. 
Any feedback is appreciated

* sort posts by date timestamp in descending order

* Lint fix
Co-authored-by: NLuis Alvarez <luis@vercel.com>