docs: add multiple transition animations to teleport example

# What's changed?

* add fade and shrink animations to teleportable nodes
* demonstrate using `updateNodeDimensions` to properly align edges after a resizing transition

docs/components/examples/teleport/index.ts

@@ -1,4 +1,5 @@
 export { default as TeleportApp } from './App.vue?raw'
 export { default as TeleportSidebar } from './Sidebar.vue?raw'
 export { default as TeleportableNode } from './TeleportableNode.vue?raw'
+export { default as TeleportableUseTransition } from './useTransition.js?raw'
 export { default as TeleportCSS } from './style.css'