[SW-684] Update spot_ros2 metadata

[tcappellari-bdai]

Change Overview

I added package descriptions to the packages missing one and standardized all the maintainer and license info

Testing Done

N/A

[tcappellari-bdai]

Current dependencies on/for this PR:

• [SW-684] Update spot_ros2 metadata #270 👈
• main

This stack of pull requests is managed by Graphite.

[coveralls-official]

Pull Request Test Coverage Report for Build 7980472670

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 41.434%

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Totals
Change from base Build 7975294414:	0.0%
Covered Lines:	1840
Relevant Lines:	4397

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💛 - Coveralls

[khughes-bdai]

Noticed there are still some missing licenses in the packages in the examples directory, could those be added too?

[khughes-bdai]

LGTM