chore: vitest config file

Author: Novout

vitest.config.ts

@@ -0,0 +1,11 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+	test: {
+		include: ['tests/**/*.test.ts'],
+		coverage: {
+			provider: 'v8',
+			include: ['src/tag.ts'],
+		},
+	},
+});