feat(ql3): establish 3.0 incubation baseline

packages/ql3-cluster-postgres/drizzle.config.ts

@@ -0,0 +1,9 @@
+import { defineConfig } from 'drizzle-kit';
+
+export default defineConfig({
+  dialect: 'postgresql',
+  schema: './src/schema/schema.ts',
+  out: './drizzle',
+  strict: true,
+  verbose: true,
+});