Add Vector Object server

[ajtudela]

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Basic Info

Info	Please fill out this column
Ticket(s) this addresses	https://github.com/ros-navigation/navigation2/issues/3017, https://github.com/ros-navigation/navigation2/pull/3930
Primary OS tested on	Ubuntu 24.04
Robotic platform tested on
Does this PR contain AI generated software?	No

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Description of contribution in a few bullet points

Just the commits from https://github.com/ros-navigation/navigation2/pull/3930

Description of documentation updates required from your changes

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Future work that may be required in bullet points

For Maintainers:

• [ ] Check that any new parameters added are updated in docs.nav2.org
• [ ] Check that any significant change is added to the migration guide
• [ ] Check that any new features OR changes to existing behaviors are reflected in the tuning guide
• [ ] Check that any new functions have Doxygen added
• [ ] Check that any new features have test coverage
• [ ] Check that any new plugins is added to the plugins page
• [ ] If BT Node, Additionally: add to BT's XML index of nodes for groot, BT package's readme table, and BT library lists