bump repo and example app to 6.0.2

Merge pull request nitaliano#846 from mapbox/typed-style-items

Style improvements

Merge pull request nitaliano#783 from mapbox/release/6.0.1

Release 6.0.1

Merge pull request nitaliano#721 from mapbox/version-bump

bump version to 6.0.0

Merge pull request nitaliano#712 from mapbox/update-readme

Removed alpha warning from README

Merge pull request nitaliano#696 from mapbox/feature/v6-offline

[v6] Offline Support

Added support for feature querying API

Added support for attributionEnabled, logoEnabled, and rotateEnabled …

…on mapview

Updated docs to use scoped npm package

Merge pull request nitaliano#618 from mapbox/v6-readme-update

Added Future Official Support section to readme