Ddev addon based on docker image Prism
Use collection on Openapi format, example from (stoplightio/prism Examples)[https://github.com/stoplightio/prism/blob/master/examples]
Edit/add a .env file with the following variables:
Optional prism version, by default 4.10.5. PRISM_VERSION=4.10.5 Prism collection Openai format, by default. Prism collection folder. PRISM_LOCAL_DIR=collections PRISM_COLLECTION=example.yml
Furder info on Prism