feat: complete backend service

src/bin/seed_roles.rs

@@ -1,4 +1,4 @@
-use najm_course_api::{get_iso_date, Env};
+use imphnen_backend_service::{get_iso_date, Env};
 use serde_json::json;
 use std::error::Error;
 use surrealdb::{engine::remote::ws::Ws, opt::auth::Root, Surreal};