Added "Learn Vue 3 step by step" course from Laracasts (#8129)

* Added "Learn Vue 3 step by step" course from Laracasts

* Add author name for "Learn Vue 3 step by step"

courses/free-courses-en.md

@@ -786,6 +786,7 @@
 * [Intro to Vue 2](https://www.vuemastery.com/courses/intro-to-vue-js/vue-instance)
 * [Intro to Vue 3](https://www.vuemastery.com/courses/intro-to-vue-3/intro-to-vue3)
 * [JavaScript Testing Fundamentals](https://vueschool.io/courses/javascript-testing-fundamentals)
+* [Learn Vue 3 step by step](https://laracasts.com/series/learn-vue-3-step-by-step) - Jeffrey Way
 * [Nuxt.js Fundamentals](https://vueschool.io/courses/nuxtjs-fundamentals)
 * [Vue Router for Everyone](https://vueschool.io/courses/vue-router-for-everyone)
 * [Vue.js Components Fundamentals](https://vueschool.io/courses/vuejs-components-fundamentals)