Add support for custom global state (#111)

* feat: add 'has_main_file' to App struct

* feat: handle custom state from the main.rs file

* feat: update tutorial template with new setup

* fix: apply clippy hints

* feat: add ApplicationState mention to documentation website

* feat: update version to v0.13.0

crates/tuono_lib/src/vite_reverse_proxy.rs

@@ -1,5 +1,5 @@
 use axum::body::Body;
-use axum::extract::{Path, State};
+use axum::extract::Path;
 
 use axum::http::{HeaderName, HeaderValue};
 use axum::response::{IntoResponse, Response};
@@ -7,10 +7,9 @@ use reqwest::Client;
 
 const VITE_URL: &str = "http://localhost:3001/vite-server";
 
-pub async fn vite_reverse_proxy(
-    State(client): State<Client>,
-    Path(path): Path<String>,
-) -> impl IntoResponse {
+pub async fn vite_reverse_proxy(Path(path): Path<String>) -> impl IntoResponse {
+    let client = Client::new();
+
     match client.get(format!("{VITE_URL}/{path}")).send().await {
         Ok(res) => {
             let mut response_builder = Response::builder().status(res.status().as_u16());