Add Vitest (#1341)

Author: tysoncung

readme.md

@@ -602,6 +602,7 @@
 - [Nightwatch](https://github.com/nightwatchjs/nightwatch) - Automated UI testing framework based on Selenium WebDriver.
 - [WebdriverIO](https://github.com/webdriverio/webdriverio) - Automated testing based on the WebDriver protocol.
 - [Jest](https://github.com/facebook/jest) - Painless JavaScript testing.
+- [Vitest](https://github.com/vitest-dev/vitest) - Fast unit test framework powered by Vite.
 - [TestCafe](https://github.com/DevExpress/testcafe) - Automated browser testing.
 - [abstruse](https://github.com/bleenco/abstruse) - Continuous Integration server.
 - [CodeceptJS](https://github.com/codeceptjs/CodeceptJS) - End-to-end testing.