feat(extension/youtube): ✨ new youtube embed extension (#2814)

* feat(extension/youtube): ✨ new youtube embed extension

* fix(extension/youtube): remove wrong destroy call on undefined editor

* fix(extension/youtube): 🐛 fix youtu.be share urls not being recognized correctly

* style: remove stray console.log

* style: remove empty line

* docs(docs): update youtube docs

* Capitalize tiptap

* Capitalize Tiptap

* style(extension/youtube): ✏️ change youtube typing

Co-authored-by: Markus Krause <markus.krause@ueber.io>

packages/extension-youtube/README.md

@@ -0,0 +1,14 @@
+# @tiptap/extension-youtube
+[![Version](https://img.shields.io/npm/v/@tiptap/extension-youtube.svg?label=version)](https://www.npmjs.com/package/@tiptap/extension-youtube)
+[![Downloads](https://img.shields.io/npm/dm/@tiptap/extension-youtube.svg)](https://npmcharts.com/compare/tiptap?minimal=true)
+[![License](https://img.shields.io/npm/l/@tiptap/extension-youtube.svg)](https://www.npmjs.com/package/@tiptap/extension-youtube)
+[![Sponsor](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%A4&logo=GitHub)](https://github.com/sponsors/ueberdosis)
+
+## Introduction
+Tiptap is a headless wrapper around [ProseMirror](https://ProseMirror.net) – a toolkit for building rich text WYSIWYG editors, which is already in use at many well-known companies such as *New York Times*, *The Guardian* or *Atlassian*.
+
+## Official Documentation
+Documentation can be found on the [tiptap website](https://tiptap.dev).
+
+## License
+Tiptap is open sourced software licensed under the [MIT license](https://github.com/ueberdosis/tiptap/blob/main/LICENSE.md).