Provide Cache-Control Headers

max-age = 1 week for everything
stale-while-revalidate = 1 day for everything except raw pastes
immutable for raw pastes

Most likely fixes #2, unless I forgot something.

Suggested-by: Leonora Tindall <ltindall@fastly.com>
Signed-off-by: Gunwant Jain <mail@wantguns.dev>

src/routes/index.rs

@@ -2,9 +2,11 @@ use rocket_dyn_templates::Template;
 
 use std::collections::HashMap;
 
+use crate::models::response_wrapper::ResponseWrapper;
+
 #[get("/")]
-pub async fn index() -> Option<Template> {
+pub async fn index() -> ResponseWrapper<Template> {
     let mut map = HashMap::new();
     map.insert("title", "bin");
-    Some(Template::render("index.html", &map))
+    ResponseWrapper::meta_response(Template::render("index.html", &map))
 }