[3.8] doc: added OpenAPI/Swagger section, added aio-openapi (#5326).#5353

Merged

asvetlov merged 1 commit into3.8from backport-19170e4-3.8

Dec 17, 2020

+35-19

Commits on Dec 17, 2020

[3.8] doc: added OpenAPI/Swagger section, added aio-openapi (#5326 ).

socketpair
authored and
asvetlov
committed