Utils dev - replaces old utilities PR

[dtgaebe]

Description

With this PR a utilities.py module is added to the code. In utilities.py there are several functions commonly used in WEC analysis, but that are not required for the optimization problem itself. this PR replaces #250

Type of PR

• [ ] Bug fix
• [x] New feature
• [ ] Documentation
• [ ] Other: (specify)

Checklist for PR

• [ ] Authors read the contribution guidelines
• [x] The pull request is from an issue branch (not main) on your fork, to the dev branch in WecOptTool.
• [x] The authors have given the admins edit access
• [x] All changes adhere to the style guide including PEP8, Docstrings, and Type Hints.
• [x] Modified the documentation if applicable
• [x] Modified or added a new test
• [ ] All tests pass
• [x] Reference or close any relevant issues

Additional details

Include any relevant context and describe any validation and verification efforts.

[coveralls]

Pull Request Test Coverage Report for Build 8927217074

Details

• 231 of 233 (99.14%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.5%) to 94.579%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
tests/test_utilities.py	103	105	98.1%
<!--	Total:	231	233	99.14%	-->

Totals
Change from base Build 8803063285:	0.5%
Covered Lines:	2739
Relevant Lines:	2896

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💛 - Coveralls