chore: register shutdown signal handlers

[rkrishn7]

Description

Resolves #74

Type of change

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• Bug fix (non-breaking change which fixes an issue)

Checklist:

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• I have performed a self-review of my own code and ensured it adheres to the project guidelines and coding standards.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation, if applicable.
• My changes generate no new warnings or errors.
• I have added tests that prove my fix is effective or that my feature works.
• Integration tests have been added for relevant changes.
• Any dependent changes have been merged and published in downstream modules.

Additional context

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