feat(community): added code blocks in markdown into document's page content

[FaresKi]

Hi!

Big fan of Langchain here :) Was working with the Confluence Loader and I noticed that code snippets weren't added thru the Document's pageContent. Let me know what you think!

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
langchainjs-docs	✅ Ready (Inspect)	Visit Preview		Nov 11, 2024 9:25pm

1 Skipped Deployment

| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **langchainjs-api-refs** | ⬜️ Ignored ([Inspect](https://vercel.com/langchain/langchainjs-api-refs/EHsHNgB49UBtRdrSpNJ78gGm9ajw)) | | | Nov 11, 2024 9:25pm |

[jacoblee93]

Looks reasonable, thank you!

[jacoblee93]

Please avoid updates after approval as CI needs to run again

[FaresKi]

My bad!

[jacoblee93]

No worries, thanks again!