v1.6.2 (facebook#1151)

* v1.6.2

* changelog

v1.6.1 (facebook#1148)

* v1.6.1

* add changelog

* update changelog

v1.6.0 (facebook#1133)

* v1.6.0

* nits changelog

* typo

Publish v1.4.0 (facebook#954)

* v1.4.0

* Lock files

* Update CHANGELOG.md

* chore: add missing PR not included in CHANGELOG.md

* chore: fix changelog typo

* chore: fix CHANGELOG

* nits

Convert Docusaurus banner image into SVG (facebook#915)

* replaced readme header image

Changed from .PNG to .SVG to eliminate blurriness on high-resolution screens

* compressed header .SVG

* Replaced header image in blog post

Blogpost: Introducing Docusaurus

Update CHANGELOG.md