feat: a bunch of things

src/dsresponse.rs

@@ -0,0 +1,16 @@
+use std::marker::PhantomData;
+use rocket::{Request, Response};
+use rocket::http::{Header, Status};
+use rocket::response::Responder;
+use crate::error::Errors;
+use crate::xml::Xml;
+
+pub struct Ds<T>(pub T);
+
+impl<'r, 'o: 'r, T: Responder<'r, 'o>> Responder<'r, 'o> for Ds<T> {
+    fn respond_to(self, request: &'r Request<'_>) -> rocket::response::Result<'o> {
+        Response::build_from(self.0.respond_to(request)?)
+            .header(Header::new("Server", "Nintendo 3DS (http)"))
+            .ok()
+    }
+}