[TASK] Isaac ros Unet launch file

[jorgenfj]

Description of task

Setup a launch file to run inference with Unet using isaac ros.
Should support different configurations through a config file

Suggested Workflow

No response

Specifications

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Contacts

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Code Quality

• Every function in header files are documented (inputs/returns/exceptions)
• The project has automated tests that cover MOST of the functions and branches in functions (pytest/gtest)
• The code is documented on the wiki (provide link)