Update coder nodes and video demos

[juntao]

No description provided.

[juntao]

Hello, I am a PR summary agent on flows.network. Here are my reviews of code commits in this PR.

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Commit 53e9d232b993fd0ed7d9be40ae570ec99e27325c

Key Changes

1. Updated Video Embeds:

   • Replaced the video link in cursor.md from Hf9zfjflP_0 to RwS6DZQBJ7A.
   • Added a new video link in zed.md: icbFAAOZYcE.

2. Model Descriptions and URLs:

   • Updated model descriptions in both cursor.md and zed.md:
     • Changed "Coder" to "General coding assistant".
     • Changed "Rust expert" to "Coding assistant with Rust knowledge" and added a new row for "Rust expert (slower but more accurate)".
   • Updated API base URLs in zed.md to use Qwen 2.5 Coder nodes instead of Yi-coder-9B.

3. Clarified Limitations:

   • Added a limitation note about local LLM services in cursor.md and moved it from the bottom of zed.md.
   • Updated instructions on how to start Qwen Coder nodes in both files.