Various UI updates: remove elkjs add dagre, cost updates, executable script

[skrawcz]

Various changes/

Changes

• remove elkjs because of license and replace with dagre
• update model costs
• change script to executable for ergonomics.

How I tested this

• spun up things locally

Notes

Checklist

• PR has an informative and human-readable title (this will be pulled into the release notes)
• Changes are limited to a single goal (no scope creep)
• Code passed the pre-commit check & code is left cleaner/nicer than when first encountered.
• Any change in functionality is tested
• New functions are documented (with a description, list of inputs, and expected output)
• Placeholder code is flagged / future TODOs are captured in comments
• Project documentation has been updated if adding/changing functionality.

[github-actions]

A preview of 7b15d12 is uploaded and can be seen here:

✨ https://burr.dagworks.io/pull/586 ✨

Changes may take a few minutes to propagate. Since this is a preview of production, content with draft: true will not be rendered. The source is here: https://github.com/apache/burr/tree/gh-pages/pull/586/

[zilto]

Looks good. Left some comments. I didn't pull the code to try the UI change. I'm assuming the dagre layout was manually viewed / tested

[zilto]

I'm confused why we're getting an empty diff on this file. Was it moved?

[zilto]

For reference, Pydantic is now running a project that keep tracks of costs:https://github.com/pydantic/genai-prices

[elijahbenizzy]

Tested it out seems OK