Migrate to new Kontent.ai GitHub org

[Simply007]

Motivation

Internal link: DEVREL-668

Checklist

• [ ] Code follows coding conventions held in this repo
• [ ] Automated tests have been added
• [ ] Tests are passing
• [ ] Docs have been updated (if applicable)
• [ ] Temporary settings (e.g. variables used during development and testing) have been reverted to defaults

How to test

If manual testing is required, what are the steps?

[Simply007]

Already registered on https://dashboard.heroku.com/apps/kontent-ai-sample-app-php and deployed and deployed on http://kontent-ai-sample-app-php.herokuapp.com/en-us

[Simply007]

3373760 Removed mention for Heroku - it is removing free dynos - https://devcenter.heroku.com/articles/free-dyno-hours