add hot reload axum tut

tuts/hot_reload_axum.md

@@ -0,0 +1,52 @@
+# Hot Reload Axum
+
+I got tired of restarting my `shuttle run` server pretty fast. I needed a solution.
+
+Dug around a bit and found [tower_livereload](https://github.com/leotaku/tower-livereload). It was actually mentioned in the [shuttle](https://www.shuttle.rs/) docs [here](https://docs.shuttle.rs/getting-started/local-run#live-reload-frontend-with-tower-livereload).
+
+That isn't enought tho. You actually need one more piece. A more important piece i might add.
+[cargo watch](https://crates.io/crates/cargo-watch)
+
+This crate will auto reload your server on save, combined with `tower livereload` will also refresh the page, so you dont have to do anythign but wait, really.
+
+## Show me the important stuff
+
+### Install cargo watch
+
+```bash
+cargo install cargo-watch
+```
+
+### Add Tower livereload
+
+```bash
+cargo add tower-livereload
+```
+
+### Inject the necessary code in your project
+
+```rust
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let app = Router::new()
+        .route() // some route
+        .layer(tower_livereload::LiveReloadLayer::new()); // <--- add here
+
+    // --- ignore all of this ---v
+    let listener = tokio::net::TcpListener::bind("0.0.0.0:8000").await?;
+    axum::serve(listener, app).await?;
+
+    Ok(())
+}
+```
+
+### Run your shuttle server in watch mode
+
+```bash
+# This will e(x)ecute `cargo shuttle run` when you save a file.
+cargo watch -x 'shuttle run'
+# This will also (q)uietly (c)lear the console between runs.
+cargo watch -qcx 'shuttle run'
+
+# There are many other helpful options, see `cargo watch --help`
+```