NoCache middleware (#197)

README.md

@@ -55,3 +55,4 @@ Each author is responsible of maintaining his own code, although if you submit a
 + [gin-go-metrics](https://github.com/bmc-toolbox/gin-go-metrics) - Gin middleware to gather and store metrics using [rcrowley/go-metrics](https://github.com/rcrowley/go-metrics)
 + [ginrpc](https://github.com/xxjwxc/ginrpc) - Gin middleware/handler auto binding tools. support object register by annotated route like beego
 + [goscope](https://github.com/averageflow/goscope) - Watch incoming requests, outgoing responses and logs of your Gin application with this plug and play middleware inspired by Laravel Telescope.
++ [gin-nocache](https://github.com/alexander-melentyev/gin-nocache) - NoCache is a simple piece of middleware that sets a number of HTTP headers to prevent a router (or subrouter) from being cached by an upstream proxy and/or client.