Add vitest config

Author: colinhacks

vitest.config.ts

@@ -0,0 +1,12 @@
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  test: {
+    alias: {
+      "@jest/globals": "vitest",
+    },
+    include: ["**/*.test.ts"],
+    isolate: false,
+    watch: false,
+  },
+});