Feature/coastal flooding

[aleeciu]

Changes proposed in this PR:

• this PR loads coastal flood data from the Aqueduct project and create a CLIMADA hazard instance from them.
• since it mostly uses established CLIMADA functions, test aim at testing the validity of (a subset of) the files' urls.

PR Author Checklist

• [ ] Read the Contribution Guide
• [ ] Correct target branch selected (if unsure, select develop)
• [ ] Descriptive pull request title added
• [ ] Source branch up-to-date with target branch
• [ ] Documentation updated
• [ ] Tests updated
• [ ] Tests passing
• [ ] No new linter issues
• [ ] Changelog updated

PR Reviewer Checklist

• [ ] Read the Contribution Guide
• [ ] CLIMADA Reviewer Checklist passed
• [ ] Tests passing
• [ ] No new linter issues