feat: add configurable verification and redemption codes

src/api/mod.rs

@@ -7,6 +7,7 @@ mod context;
 mod downloads;
 mod envelope;
 mod health;
+mod redemption;
 mod response;
 mod tasks;
 mod user;
@@ -62,6 +63,7 @@ fn v1_router() -> Router<AppState> {
         .merge(billing::router())
         .merge(webhooks::router())
         .merge(user::router())
+        .merge(redemption::router())
         .merge(admin::router())
         .merge(admin_storage::router())
         .fallback(response::not_found)