changed the route from posts to post

src/main.rs

@@ -85,7 +85,7 @@ fn get_post(id_number: i32) -> Post {
     post.unwrap()
 }
 
-#[get("/posts/<title>")]
+#[get("/post/<title>")]
 fn show_post(title: String) -> Template {
     let mut context = Context::new();