Confirmation page and minor improvements to homepage and form messages

Basic redirect with flash messages for success and error messages

src/routes/home.rs

@@ -1,11 +1,19 @@
 use askama::Template;
 use axum::response::Html;
+use axum_messages::Messages;
 
 #[derive(Template)]
 #[template(path = "../templates/home.html")]
-struct HomeTemplate;
+struct HomeTemplate {
+    message: String,
+}
 
-pub async fn home() -> Html<String> {
-    let template = HomeTemplate;
+pub async fn home(messages: Messages) -> Html<String> {
+    let template = HomeTemplate {
+        message: messages
+            .last()
+            .map(|msg| msg.to_string())
+            .unwrap_or_default(),
+    };
     Html(template.render().unwrap())
 }