Add DVC VSCode Extension

## Name of the extension you are adding

DVC VSCode Extension

## Why do you think this extension is awesome?

Run, compare, visualize, and track machine learning experiments right in VS Code. This extension uses DVC, an open-source data versioning and ML experiment management tool. No additional services or databases are required.

## Make sure that:

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Check off the checkboxes with an 'x' like this: [x] 
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- [x] Screenshot/GIF included (to demonstrate the plugin functionality)

- [] ToC updated

README.md

@@ -563,6 +563,12 @@ To enable Emmet support in .twig files, you'll need to have the following in you
 
 ![TensorFlow Snippets GIF](https://raw.githubusercontent.com/vahidk/tensorflow-snippets/master/images/framework.gif)
 
+### DVC Extension
+
+- [DVC VSCode Extension](https://github.com/iterative/vscode-dvc) - Machine learning experiment tracking and data versioning with DVC extension for VS Code
+
+![Extension Overview](https://raw.githubusercontent.com/iterative/vscode-dvc/main/extension/docs/overview.gif)
+
 ## ReasonML
 
 - [ReasonML](https://marketplace.visualstudio.com/items?itemName=jaredly.reason-vscode) - Intellisense, code formatting, refactoring, code lens and more