feat: add sequelize with postgres UTC timestamp endpoint

src/services/database.ts

@@ -0,0 +1,15 @@
+import { sequelize } from "../config/database.js";
+
+export async function getUtcTimestamp(): Promise<string | null> {
+  if (!sequelize) {
+    return null;
+  }
+
+  try {
+    const [results] = await sequelize.query("SELECT NOW() AS utc_time");
+    const rows = results as { utc_time: string }[];
+    return rows[0]?.utc_time ?? null;
+  } catch {
+    return null;
+  }
+}