refacto: move home code into a dedicated file and rename index to home everywhere

crates/app/src/lib.rs

@@ -1,8 +1,7 @@
 use std::path::Path;
 
-use askama_axum::Template;
 use axum::http::{StatusCode, Uri};
-use axum_htmx::{AutoVaryLayer, HxRequest};
+use axum_htmx::AutoVaryLayer;
 use tower_http::services::ServeDir;
 
 mod menu;
@@ -12,20 +11,9 @@ async fn fallback(uri: Uri) -> (StatusCode, String) {
     (StatusCode::NOT_FOUND, format!("No route for {uri}"))
 }
 
-#[derive(Template)]
-#[template(path = "index.html")]
-pub struct GetIndexTemplate {
-    hx_request: bool,
-}
-
-async fn root(HxRequest(hx_request): HxRequest) -> GetIndexTemplate {
-    GetIndexTemplate { hx_request }
-}
-
 pub fn get_router(assets_path: &Path) -> axum::Router {
     axum::Router::new()
         .nest_service("/assets", ServeDir::new(assets_path))
-        .route("/", axum::routing::get(root))
         .merge(pages::get_routes())
         .fallback(fallback)
         .layer(AutoVaryLayer)