add a yield method to fibonaci

[08183080]

Describe your change:

• Add an algorithm? add a function with yield to fibonaci
• Fix a bug or typo in an existing algorithm?
• Add or change doctests? -- Note: Please avoid changing both code and tests in a single pull request.
• Documentation change?

Checklist:

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized.
• I know that pull requests will not be merged if they fail the automated tests.
• This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• All new Python files are placed inside an existing directory.
• All filenames are in all lowercase characters with no spaces or dashes.
• All functions and variable names follow Python naming conventions.
• All function parameters and return values are annotated with Python type hints.
• All functions have doctests that pass the automated testing.
• All new algorithms include at least one URL that points to Wikipedia or another similar explanation.
• If this pull request resolves one or more open issues then the description above includes the issue number(s) with a closing keyword: "Fixes #ISSUE-NUMBER".

[cclauss]

Awesome performance numbers!! Yield leaves the others in the dust.

    # Time on an M1 MacBook Pro -- Fastest to slowest
    num = 30
    time_func(fib_iterative_yield, num)   # 0.0012 ms
    time_func(fib_iterative, num)         # 0.0031 ms
    time_func(fib_binet, num)             # 0.0062 ms
    time_func(fib_memoization, num)       # 0.0100 ms
    time_func(fib_recursive_cached, num)  # 0.0153 ms
    time_func(fib_recursive, num)         # 257.0910 ms