* feat(csharp): nullability support (#57)

* feat(csharp): nullability support

* fix editorconfig namings for static readonly and const

* update changelog + bump

* remove middleware builder from nullable

*  feat(logger middleware): condense mode to reduce logs  (#58)

* feat(logger middleware): condense mode to reduce logs

+ valeustopwatch for perf

* update changelog

* update cl

* feat(graphql): add OperationName (#59)

* fix(logger middleware): when `ShouldLogDetailedRequest` is specified and had content null was not logging headers (#60)

* fix format

* add changelog date