deploy.sh and deploy.bat duplicate deployment logic across platforms

[LawalRahman]

Pull Request Checklist

Thank you for contributing! Please review the following checklist to ensure your PR is ready for review.

Summary

• Provide a clear and concise description of the changes.
• Link to any related issues using Fixes #issue or Related to #issue.

Testing

• All new code is covered by unit tests where applicable.
• Existing tests pass locally (cargo test).
• Added tests for edge cases and error conditions.
• Updated any integration tests if necessary.

Documentation

• Updated README.md if changes affect users.
• Updated docstrings/comments for new/modified functions.
• Added examples or updated existing examples if applicable.

Code Quality

• Follows the project's coding style and conventions.
• No commented-out code or debug statements left in the codebase.
• Variables and functions are named descriptively.
• Code is properly formatted (cargo fmt).
• No new clippy warnings (cargo clippy).

Breaking Changes

• If this PR introduces breaking changes, describe them and provide migration steps.
• Updated version in Cargo.toml if appropriate (following semver).

Additional Notes

• Any other relevant information for reviewers.

Please ensure all checkboxes are checked before requesting a review.

Closes #705
Closes #681
Closes #680
Closes #679

[drips-wave]

@LawalRahman Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits