Redocly Already Knows How To Register An OpenAPI Extension

I have been pulling apart every OpenAPI vendor extension in the APIs.io catalog, and I want to spend the next few weeks writing about the companies whose vocabulary I keep finding in other people’s API contracts. I am starting with Redocly, because Redocly is the one company in this whole series that has already done the thing I am going to ask everyone else to do. The OpenAPI Extension Registry exists.