Add office world

[IDavGal]

🎉 New feature

Closes #8
Related to #24

Summary

Adds a world USD file for an office based on the work done for andino_gz. This PR serves as a kickoff for creating a more detailed world, adding assets and improving on top of the initial file.

Test it

Checklist

• Signed all commits for DCO
• Added tests
• Added example and/or tutorial
• Updated documentation (as needed)

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[francocipollone]

Great job!

Is it possible to select this world when doing ros2 launch? I don't remember if we have an argument for doing so? If not can you add it so we can select using this world?

[francocipollone]

Let's try to scope this PR to have just the empty office and then we can work in a follow up PR for adding assets.

[francocipollone]

CC @BarceloChristian

[JCarosella]

@IDavGal Is there something I need to download to run this world? This is what I see when I load it, both in the container and locally:

[francocipollone]

@IDavGal Is there something I need to download to run this world? This is what I see when I load it, both in the container and locally:

Looks like the textures aren't copied here. We need to do so:

[JCarosella]

Loaded correctly now!