add 4 more Vue School video lessons to supplement docs

Author: danielkellyio

src/guide/built-ins/teleport.md

@@ -1,5 +1,7 @@
 # Teleport
 
+ <VueSchoolLink href="https://vueschool.io/lessons/vue-3-teleport" title="Free Vue.js Teleport Lesson"/>
+
 `<Teleport>` is a built-in component that allows us to "teleport" a part of a component's template into a DOM node that exists outside the DOM hierarchy of that component.
 
 ## Basic Usage

src/guide/components/registration.md

@@ -1,5 +1,7 @@
 # Component Registration
 
+<VueSchoolLink href="https://vueschool.io/lessons/vue-3-global-vs-local-vue-components" title="Free Vue.js Component Registration Lesson"/>
+
 > This page assumes you've already read the [Components Basics](/guide/essentials/component-basics). Read that first if you are new to components.
 
 A Vue component needs to be "registered" so that Vue knows where to locate its implementation when it is encountered in a template. There are two ways to register components: global and local.

src/guide/essentials/event-handling.md

@@ -4,6 +4,10 @@
   <VueSchoolLink href="https://vueschool.io/lessons/user-events-in-vue-3" title="Free Vue.js Events Lesson"/>
 </div>
 
+<div class="composition-api">
+  <VueSchoolLink href="https://vueschool.io/lessons/vue-fundamentals-capi-user-events-in-vue-3" title="Free Vue.js Events Lesson"/>
+</div>
+
 ## Listening to Events
 
 We can use the `v-on` directive, which we typically shorten to the `@` symbol, to listen to DOM events and run some JavaScript when they're triggered. The usage would be `v-on:click="handler"` or with the shortcut, `@click="handler"`.

src/guide/scaling-up/tooling.md

@@ -65,6 +65,8 @@ If you are looking for a lighter-weight alternative for no-build-step usage, che
 
 ## Browser Devtools
 
+<VueSchoolLink href="https://vueschool.io/lessons/using-vue-dev-tools-with-vuejs-3" title="Free Vue.js Devtools Lesson"/>
+
 The Vue browser devtools extension allows you to explore a Vue app's component tree, inspect the state of individual components, track state management events, and profile performance.
 
 ![devtools screenshot](https://raw.githubusercontent.com/vuejs/devtools/main/media/screenshot-shadow.png)