Added documentation link.

Author: AntyaDev

README.md

@@ -3,4 +3,8 @@
 [![build](https://github.com/PragmaticFlow/NBomber.Converter/actions/workflows/build.yml/badge.svg)](https://github.com/PragmaticFlow/NBomber.Converter/actions/workflows/build.yml)
 [![NuGet](https://img.shields.io/nuget/v/NBomber.Converter.svg)](https://www.nuget.org/packages/NBomber.Converter/)
 
-The toolset for converting data files such as HAR, Swagger/OpenAPI, Postman Collections to NBomber scenarios.
+The toolset for converting data files such as HAR, Swagger/OpenAPI, Postman Collections to NBomber scenarios.
+
+### Documentation
+
+The [documentation link](https://nbomber.com/docs/plugins/converter/overview/).