🔨 Refactors db connection

backend/src/main.rs

@@ -14,7 +14,7 @@ async fn index() -> &'static str {
 fn rocket() -> _ {
     dotenv::dotenv().ok();
     let db_path = dotenv::var("DB_PATH").expect("DB_PATH is not set");
-    let db = db::new_conn(&db_path);
+    let db = db::Conn::new(&db_path);
 
     rocket::build().mount("/", routes![index])
 }