Update README.md

Adding in the one-minute video link

Author: michellemerrill

README.md

@@ -8,6 +8,8 @@ Our product roadmap is where you can learn about what features we're working on,
 
 The roadmap repository is for communicating GitHub’s roadmap. Existing issues are currently read-only, and we are locking conversations, as we get started. Interaction limits are also in place to ensure issues originate from GitHub. We’re planning to iterate on the format of the roadmap itself, and we see potential to engage more in discussions about the future of GitHub products and features. If you have feedback about this roadmap repository itself, such as how the issues are presented, let us know through [general feedback in GitHub public feedback discussions](https://github.com/github/feedback/discussions/new?category=General-Feedback&title=[Public%20roadmap]%20).
 
+❓ Want to get started? Here's a quick overview: :movie_camera: [The 1 Minute Guide to: Sharing your Product Roadmap](https://github.rewatch.com/video/ekz0c313fmqpe38v-1-minute-guide-to-the-product-roadmap) [The GitHub Way]
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 ## Guide to the roadmap
 
 Every item on the roadmap is an issue, with a label that indicates each of the following: