docs: add router readme

actix-router/README.md

@@ -0,0 +1,16 @@
+# `actix-router`
+
+[![crates.io](https://img.shields.io/crates/v/actix-router?label=latest)](https://crates.io/crates/actix-router)
+[![Documentation](https://docs.rs/actix-router/badge.svg?version=0.5.1)](https://docs.rs/actix-router/0.5.1)
+![Version](https://img.shields.io/badge/rustc-1.68+-ab6000.svg)
+![MIT or Apache 2.0 licensed](https://img.shields.io/crates/l/actix-router.svg)
+<br />
+[![dependency status](https://deps.rs/crate/actix-router/0.5.1/status.svg)](https://deps.rs/crate/actix-router/0.5.1)
+[![Download](https://img.shields.io/crates/d/actix-router.svg)](https://crates.io/crates/actix-router)
+[![Chat on Discord](https://img.shields.io/discord/771444961383153695?label=chat&logo=discord)](https://discord.gg/NWpN5mmg3x)
+
+<!-- cargo-rdme start -->
+
+Resource path matching and router.
+
+<!-- cargo-rdme end -->