version fixed

grpc-gateway version updated

version fixed

Merge pull request utrack#90 from bullgare/swagger-as-separate-file

Optional generation of separate swagger file

regenerated doc/example/pb

cleaned up generated tests in /integration

go mod tidy

go mod tidy

mwhttp: removed CloseNotifier leftovers, re utrack#74

Merge pull request utrack#74 from makhov/close-notifier-fix

`mwhttp.CloseNotifier` removed after `chi`