Initial case for foswec and PI control

[dtgaebe]

Description

Concise description of the pull request with references to any issues.

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 main 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

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

[coveralls]

Pull Request Test Coverage Report for Build 6462319604

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 92.521%

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Totals
Change from base Build 5968844875:	0.0%
Covered Lines:	2499
Relevant Lines:	2701

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💛 - Coveralls

[rgcoe]

@dtgaebe - did you close this because you noticed #214?

[dtgaebe]

@ryancoe, the PR was unintentional, the example is not at all ready yet.