docs: update migration guide to install CommandKit from dev version

Author: notunderctrl

apps/website/docs/guide/01-getting-started/99-migrating-from-v0.mdx

@@ -25,7 +25,7 @@ This guide uses TypeScript examples, but all concepts apply to JavaScript projec
 Begin your migration by updating to the latest version of CommandKit:
 
 ```bash npm2yarn
-npm install commandkit@latest
+npm install commandkit@dev
 ```
 
 This command will install CommandKit v1 and update your `package.json` with the latest version.