feat: add drizzle-kit config and generate initial migration

packages/server/drizzle.config.ts

@@ -0,0 +1,7 @@
+import { defineConfig } from 'drizzle-kit';
+
+export default defineConfig({
+  schema: './src/db/schema.ts',
+  out: './drizzle',
+  dialect: 'sqlite',
+});