feat: Implement event rejection

Co-Authored-By: star <star@nexy7574.co.uk>

src/service/mailer/messages.rs

@@ -37,7 +37,7 @@ pub struct PasswordReset<'a> {
 }
 
 impl MessageTemplate for PasswordReset<'_> {
-	fn subject(&self) -> String { format!("Password reset request for {}", &self.user_id) }
+	fn subject(&self) -> String { format!("Password reset request for {}", self.user_id) }
 }
 
 #[derive(Template)]