Documentation Updates Q3-2020

[juanma]

This thread shows relevant Documentation Updates during Q3-2020

[juanma]

• New Analytics Packages section. The README.md’s of the related packages has also been updated with latest info
  • @frontity/comscore-analytics
  • @frontity/google-tag-manager-analytics
  • @frontity/google-analytics

[juanma]

• Updated info in docs about new ways of setting REST API url in Frontity through wp-source package
  • state.source.url
• New Deploy Frontity on Heroku guide