refactor(dummy_infrastructure): rework parameters

[yuntianyi-chen]

Description

Refactor the ROS Node configuration layout for the dummy_infrastructure package according to the guideline.

• Create the schema file.
• Remove the default values from the source code to avoid duplication.
• Update the launch file and README file.

Related links

None

Tests performed

The refactored node was successfully built and tested by launching this node individually.

Notes for reviewers

None

Interface changes

• Create the schema file.
• Parameter values are now required to be passed to the node when launched.

Effects on system behavior

None

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