docs: Update readme docs link to /guide (#205)

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: Boshen

packages/void/README.md

@@ -82,7 +82,7 @@ There is Vinext-specific source in the repo, but it is intentionally on hold and
 
 ## Documentation
 
-Full docs live at [void.cloud/docs](https://void.cloud/docs).
+Full docs live at [void.cloud/guide](https://void.cloud/guide).
 
 ## License