support postgresql as database option

drizzle.pg.config.ts

@@ -0,0 +1,12 @@
+import { defineConfig } from "drizzle-kit";
+import path from "path";
+
+export default defineConfig({
+    dialect: "postgresql",
+    schema: path.join("server", "db", "pg", "schema.ts"),
+    out: path.join("server", "migrations"),
+    verbose: true,
+    dbCredentials: {
+        url: process.env.DATABASE_URL as string
+    }
+});