fix: add isOpen column to DB, fix prisma.config.ts dotenv loading

prisma.config.ts

@@ -1,7 +1,10 @@
 import { defineConfig } from '@prisma/config';
+import * as dotenv from 'dotenv';
+
+dotenv.config();
 
 export default defineConfig({
   datasource: {
-    url: process.env.DATABASE_URL,
+    url: process.env.DATABASE_URL!,
   },
 });