update CONTRIBUTING.md (#11872)

Adding description of the `View deployment` button on the PR page. This
nice feature was not documented.

---------

Co-authored-by: Erick Friis <erickfriis@gmail.com>
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Leonid Ganeline 2023-10-16 14:21:36 -07:00 committed by GitHub
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@ -289,6 +289,13 @@ make docs_linkcheck
make api_docs_linkcheck
```
### Verify Documentation changes
After pushing documentation changes to the repository, you can preview and verify that the changes are
what you wanted by clicking the `View deployment` or `Visit Preview` buttons on the pull request `Conversation` page.
This will take you to a preview of the documentation changes.
This preview is created by [Vercel](https://vercel.com/docs/getting-started-with-vercel).
## 🏭 Release Process
As of now, LangChain has an ad hoc release process: releases are cut with high frequency by