doc(blog): added Burr link; fixed date and formatting

[zilto]

Following #1094, I fixed a missing link to Burr.

At the same time, I fixed the year and the code formatting for the blog introduced in #1095

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Important

Fixes missing link, incorrect date, and code formatting in blog documentation.

• Links:
  • Added missing link to Burr in youtube-flashcards.md.
• Dates:
  • Corrected date from 2025 to 2024 in openai-multimodal.md.
• Formatting:
  • Fixed code block formatting in openai-multimodal.md from """python to \``python`.

^{This description was created by for 42557bb. It will automatically update as commits are pushed.}

[ellipsis-dev]

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• Looked at 45 lines of code in 2 files
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1. docs/blog/posts/youtube-flashcards.md:26

• Draft comment:
  Added link to Burr correctly as per the PR description.
• Reason this comment was not posted:
  Confidence changes required: 0%
  The PR correctly adds a link to Burr in the youtube-flashcards.md file, which is consistent with the description provided.

2. docs/blog/posts/youtube-flashcards.md:28

• Draft comment:
  Ensure that the new documentation file is added to mkdocs.yml to maintain documentation completeness.
• Reason this comment was not posted:
  Confidence changes required: 80%
  The PR adds a link to Burr in the youtube-flashcards.md file, which is a documentation change. This should be reflected in the mkdocs.yml file to ensure the documentation is complete and accessible.

Workflow ID: wflow_tAqJca0RFfrgreDA

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