added in #4220

Describe your change:

i had make a program under the graphics folder
B-splines are a generalization of Bezier curves and offer more control points, allowing for smoother and more complex curves. They are commonly used in computer-aided design (CAD) and computer graphics if you find my solution valid then please merge it and label it as hacktoberfest 2023.

• [true ] Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Documentation change?

Checklist:

• [ true] I have read CONTRIBUTING.md.
• [ true] This pull request is all my own work -- I have not plagiarized.
• [ true] I know that pull requests will not be merged if they fail the automated tests.
• [ true] This PR only changes one algorithm file. To ease review, please open separate PRs for separate algorithms.
• [ true] 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".