Add PTO kinematics comment regarding gear ratio

[jtgrasb]

Description

Added comment to specify that PTO kinematics do not include gear ratio to resolve Issue #371

Type of PR

• Bug fix
• New feature
• Documentation
• Other: (specify)

Checklist for PR

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

Additional details

N/A

[coveralls]

Pull Request Test Coverage Report for Build 11582519290

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.07%) to 94.514%

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Files with Coverage Reduction	New Missed Lines	%
wecopttool/core.py	2	92.68%

Totals
Change from base Build 11581346159:	-0.07%
Covered Lines:	2774
Relevant Lines:	2935

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💛 - Coveralls