🔨 Refactored 🧠 Overmind Hacktober | /app/pages/Sandbox/Editor/Workspace/Dependencies/AddVersion/index.js (codesandbox#2671)

* add an information in contributing doc to have the latest version of yarn (codesandbox#2662)

* Update index.js

* Update index.js

* Update and rename index.js to index.tsx

Author: silltho