chore: initial project setup

vitest.config.ts

@@ -0,0 +1,13 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    environment: 'node',
+    coverage: {
+      provider: 'istanbul',
+      reporter: ['text', 'html', 'json', 'lcov'],
+      include: ['**/src/**/*.ts'],
+      exclude: ['**/src/index.ts', '**/src/server.ts'],
+    },
+  },
+});