Add Hunter SE support to jazzy branch

[gakutasu]

Summary

• Add HunterSEParams struct with correct physical dimensions to hunter_params.hpp
• Add robot_model parameter (hunter2 / hunter1 / hunter_se) to select robot dimensions at launch
• Fix Run() to use HunterSEParams when robot_model is hunter_se
• Fix launch file to correctly pass robot_model argument via LaunchConfiguration('robot_model')

Note: The bugs reported in #24 and #25 exist in the humble branch and remain open. This PR resolves the equivalent issues on the jazzy branch.

• close [jazzy] Hunter SE support is missing — only available on humble branch #26

Usage

# Hunter SE
ros2 launch hunter_base hunter_base.launch.py robot_model:=hunter_se

# Hunter V2 (default)
ros2 launch hunter_base hunter_base.launch.py

# Hunter V1
ros2 launch hunter_base hunter_base.launch.py robot_model:=hunter1