feat: normalize provider details into oauth_accounts table, auth linking intent, provider array in profile response

pacman-server/src/main.rs

@@ -38,6 +38,7 @@ async fn main() {
     let shutdown_timeout = std::time::Duration::from_secs(config.shutdown_timeout_seconds as u64);
     let auth = AuthRegistry::new(&config).expect("auth initializer");
     let db = data::pool::create_pool(&config.database_url, 10).await;
+
     // Run database migrations at startup
     if let Err(e) = sqlx::migrate!("./migrations").run(&db).await {
         panic!("failed to run database migrations: {}", e);