https://github.com/contentful/extensions
https://github.com/contentful/contentful-cli
- create .env file in root directory
export SPACE_ID=123123123123
export CONTENTFUL_MANAGEMENT_ACCESS_TOKEN=aslkdjflaksjd;flkajsd;lfkjas;ldkjfal;skdjf;asjdf;asjd;f
- all the code is in index.html
- important file
index.html
extension.json