Add Postman support (ePages-de#71)

Add schema to path parameter for openapi3

Aggregate parameters & descriptions from multiple snippets (closes eP…

…ages-de#63) (ePages-de#69)

Readme adoptions

Merge pull request ePages-de#54 from mduesterhoeft/open-api-3-rename

Rename to restdocs-api-spec

Merge pull request ePages-de#48 from klieber/feature/api-improvements

Improvements to wrapper API

Make sure optional and ignored flags are propagated to custom descrip…

…tor types

Make sure optional and ignored flags are propagated to custom descrip…

…tor types

Move the model into a separate library (ePages-de#45)

Move the model into a separate library (ePages-de#45)