Refactor: Replace manual debug flags with logger.debug

[trivedikavya]

Description
Replaced manual debug = False flags and print statements with standard logger.debug() calls in WeatherRoutingTool/algorithms/isobased.py.

Related Issue
Closes #101

Verification

• Ran pytest tests/test_isobased.py and all tests passed.

[trivedikavya]

Hi @MartinPontius Sir,
Hope you’re doing well.
Could you please review this when you get a chance and share your feedback?

[kdemmich]

Thank you for your PR. We appreciate the time and effort that was put into it but, unfortunately, we have to decline the PR as the added value to the tool is limited and does not justify a PR.

I would also like to take the chance to point you to our guidelines for software contributions which require to follow 52 North's CLA guidelines for all PRs and, in particular, fill the 52°North Contributor License Agreement. As long as this has not been filled, I can not assign you to any issues or merge any PRs. Please don't hesitate to contact me in case of related questions.