Embed Pinecone how-to video (#780)

Author: Paul-Cornell

snippets/general-shared-text/pinecone.mdx

@@ -1,3 +1,13 @@
+<iframe
+width="560"
+height="315"
+src="https://www.youtube.com/embed/Ydj74uBnJyA"
+title="YouTube video player"
+frameborder="0"
+allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+allowfullscreen
+></iframe>
+
 - A Pinecone account. [Get an account](https://app.pinecone.io/).
 - A Pinecone API key in your Pinecone account. To create an API key, do the following: