New: Return info about metadata extraction turned on

src/Coscine.Api.STS/base.ts

src/Coscine.Api/@coscine/api/project-api.ts

src/Coscine.Api/@coscine/model/resource-admin-dto.ts

src/Coscine.Api/@coscine/model/resource-dto.ts

src/Coscine.Api/base.ts

src/apis.ts

src/index.ts