docs: "AI Agent Dev School Part 4" livestream notes

[YoungPhlo]

Relates to:

Documentation update for community stream notes

Risks

Low - This is a documentation-only change adding new stream notes.

Background

What does this PR do?

Adds detailed stream notes for the AI Agent Dev School Part 4 session from December 10, 2024, covering:

• Part 1: Technical discussion on Trusted Execution Environments (TEEs) with Agent Joshua
• Part 2: Building a Domino's pizza ordering agent using the Eliza framework

What kind of change is this?

Documentation (non-breaking change which adds documentation)

Documentation changes needed?

My changes are documentation changes and I have added them accordingly in the new file:
docs/community/Streams/12-2024/2024-12-10.md

Where should a reviewer start?

Review the new markdown file below.

Testing

Detailed testing steps

1. Verify the markdown formatting is correct
2. Check that all timestamps and YouTube links are working
3. Verify the summary sections accurately reflect the stream content

[monilpat]

LGTM!