Start moving to Rocket 0.5.0

src/routes/onboard/hello.rs

@@ -1,10 +1,10 @@
 use crate::database::*;
 
 use rauth::auth::Session;
-use rocket_contrib::json::JsonValue;
+use rocket::serde::json::Value;
 
 #[get("/hello")]
-pub async fn req(_session: Session, user: Option<User>) -> JsonValue {
+pub async fn req(_session: Session, user: Option<User>) -> Value {
     json!({
         "onboarding": user.is_none()
     })