Updated READMEs for examples: LLM Embedding-Based Named Entity Recognition, nuScenes, Objectron, Open Photogrammetry Format, Raw Mesh

[andreasnaoum]

Updated READMEs for the examples:

• LLM Embedding-Based Named Entity Recognition
• nuScenes
• Objectron
• Open Photogrammetry Format
• Raw Mesh

What

Checklist

• I have read and agree to Contributor Guide and the Code of Conduct
• I've included a screenshot or gif (if applicable)
• I have tested the web demo (if applicable):
  • Using newly built examples: app.rerun.io
  • Using examples from latest main build: app.rerun.io
  • Using full set of examples from nightly build: app.rerun.io
• The PR title and labels are set such as to maximize their usefulness for the next release's CHANGELOG
• If applicable, add a new check to the release checklist!

• PR Build Summary
• Docs preview
• Examples preview
• Recent benchmark results
• Wasm size tracking

[github-actions]

Size changes

Name	main	5653/merge	Change
rrt-star.rrd	10 MiB	35.43 MiB	+254.30%

[nikolausWest]

Needs some background sections and we should also add the blueprint code sections where applicable. @jleibs, do you think we should add those directly in this PR or as a separate PR?

[andreasnaoum]

Maybe another PR for blueprints? If we wait for the blueprints, the readmes will be delayed from appearing on the website.

[Wumpf]

should also add the blueprint code sections where applicable

let's do this in a separate pass. That's a problem with all updated readmes right now, including others.

[Wumpf]

@andreasnaoum all the example blueprint updates landed already, so whatever we want to write about blueprint in the readme can be done already now (but as I wrote before, let's do that in a separate pr)

[Wumpf]

didn't do a full review, but previous concerns seem to be all addressed, so let's move on

was addressed

[Wumpf]

I'm mopping up the remaining ci failures