add sqlocal connection including example

packages/sqlocal/test/base.test.ts

@@ -0,0 +1,10 @@
+import { describe, expect, it } from "vitest";
+import { SQLocal } from "sqlocal";
+
+describe("base", () => {
+   const { sql } = new SQLocal(":memory:");
+
+   it("works", async () => {
+      expect(await sql`SELECT 1`).toEqual([{ "1": 1 }]);
+   });
+});