RSS Feed of API history changes

[Manouchehri]

Describe the enhancement e.g. having a https://app.useoptic.com/apis/@f2f6367a-5842-484e-b7d1-ef2296577977/Corellium%20API_-_-H4N8QZ3ysVdlj5P5vi09.xml endpoint of https://app.useoptic.com/apis/@f2f6367a-5842-484e-b7d1-ef2296577977/Corellium%20API_-_-H4N8QZ3ysVdlj5P5vi09 would be handy.

For example, we could use the Slack RSS app to automatically post in a channel when there's an update to an API.

[acunniffe]

Hey @Manouchehri we now support Markdown changelogs https://api.useoptic.com/api/apis/-H4N8QZ3ysVdlj5P5vi09/changelog

Docs here