feat: Add an axum/with-state example using updated generic AxumService (

#52)

* feat: Add an axum/with-state example using updated generic AxumService

* chore: Remove local dependencies

* chore: bump to v0.18

---------

Co-authored-by: Oddbjørn Grødem <29732646+oddgrd@users.noreply.github.com>

axum/with-state/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "with-state"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+axum = "0.6.10"
+shuttle-axum = { version = "0.18.0" }
+shuttle-runtime = { version = "0.18.0" }
+tokio = { version = "1.26.0" }

axum/with-state/src/main.rs

@@ -0,0 +1,23 @@
+use std::sync::Arc;
+
+use axum::{extract::State, response::IntoResponse, routing::get, Router};
+
+async fn hello_world(State(state): State<Arc<AppState>>) -> impl IntoResponse {
+    state.msg
+}
+
+#[derive(Clone)]
+struct AppState {
+    msg: &'static str,
+}
+
+#[shuttle_runtime::main]
+async fn axum() -> shuttle_axum::ShuttleAxum {
+    let state = Arc::new(AppState {
+        msg: "Hello, world!",
+    });
+
+    let router = Router::new().route("/", get(hello_world)).with_state(state);
+
+    Ok(router.into())
+}