Cluster Graph

Closes: #97

Type of change

What sort of change have you made:

[ ] Bug fix (non-breaking change which fixes an issue)
[x] New feature (non-breaking change which adds functionality)
[x] Code style update (formatting, local variables)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] This change requires a documentation update

Testing?

I have enclosed the Screenshot of the template.

Checklist:
[x] My code follows the guidelines of this project.
[x] I have performed a self-review of my own code.
[x] I have commented my code, particularly wherever it was hard to understand.
[ ] I have made corresponding changes to the documentation.
[ ] My changes generate no new warnings.
[ ] I have added tests that prove my fix is effective or that my feature works.
[x] Any dependent changes have been merged and published in downstream modules.