feat: add user lookup to api

lets you use an access token and a uuid to look up users on the instance

src/api/v1/mod.rs

@@ -2,9 +2,11 @@ use actix_web::{Scope, web};
 
 mod stats;
 mod auth;
+mod user;
 
 pub fn web() -> Scope {
     web::scope("/v1")
         .service(stats::res)
         .service(auth::web())
+        .service(user::res)
 }