update readme

Author: robjtede

README.md

@@ -2,14 +2,14 @@
 
 > A collection of lower-level libraries for composable network services.
 
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+[![CI](https://github.com/actix/actix-net/actions/workflows/ci.yml/badge.svg?event=push&style=flat-square)](https://github.com/actix/actix-net/actions/workflows/ci.yml)
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-## Example
+## Examples
 
-See `actix-server/examples` and `actix-tls/examples` for some basic examples.
+See example folders for [`actix-server`](./actix-server/examples) and [`actix-tls`](./actix-tls/examples).
 
 ### MSRV