fix: replace unwrap with something more verbose

src/handlers/serve_static.rs

@@ -138,7 +138,7 @@ pub async fn serve_static(req: &mut Request, res: &mut Response) {
                 message1: rand::thread_rng().gen_range(0..1).to_string(),
                 ..Default::default()
             };
-            let rendered = tpls.get("qr.html").unwrap().render(&template);
+            let rendered = tpls.get("qr.html").expect("Failed to read qr.html").render(&template);
             res.status_code(StatusCode::OK);
             res.render(Text::Html(rendered));
         }