Fix invalid Identity service configuration in README.md
Fix invalid Identity service configuration in README.md

openiddict/core,joshcomley/openiddict-core,vyfster/openiddict-core,vyfster/openiddict-core,openiddict/openiddict-core,openiddict/openiddict-core,openiddict/openiddict-core,openiddict/openiddict-core,joshcomley/openiddict-core,openiddict/core,openiddict/openiddict-core