Fixing few things, passing http.ResponseWriter to the middlewares pro…

…perly...

Retract invalid zenrpc versions

Add golangci-lint, fix linter issues, fix schema generation for go 1.…

…19, update README (vmkteam#14)

* Format imports and comments

* Fix comments

* Add golangci-lint github action, fix linter issues, update README

* Add version to generated code, fix cases usage

* README changes, release version 2.2.9

Merge pull request vmkteam#13 from sas1024/master

Make NewRequestContext function public

Merge pull request vmkteam#12 from sas1024/master

Add TypeName to arguments, move to go 1.18

Merge pull request vmkteam#11 from dizzyfool/master

Add typeName for return type declaration

Merge pull request vmkteam#9 from sas1024/master

Add Unwrap method to zenrpc.Error

Merge pull request vmkteam#8 from zhuharev/master

Fix alias duplication

Merge pull request vmkteam#7 from dizzyfool/master

Add type aliases support

Merge pull request vmkteam#5 from sas1024/master

Fix rpc methods generation for same services names in separate packages