chore: wire schema and migrations

Made-with: Cursor

drizzle.config.ts

@@ -0,0 +1,13 @@
+import 'dotenv/config';
+import { defineConfig } from 'drizzle-kit';
+
+const databaseUrl = process.env.DATABASE_URL ?? 'postgresql://samreshu:samreshu_dev@localhost:5432/samreshu';
+
+export default defineConfig({
+  schema: './src/db/schema/index.ts',
+  out: './src/db/migrations',
+  dialect: 'postgresql',
+  dbCredentials: {
+    url: databaseUrl,
+  },
+});