[Feature] sparsity-based clustering method

[Mamba413]

It would be interesting to use skscope to address the clustering problem.

Reference:

• Lashkari, D., & Golland, P. (2007). Convex clustering with exemplar-based models. Advances in neural information processing systems, 20.

• Mahdi Soltanolkotabi, Ehsan Elhamifar, Emmanuel J. Candès "Robust subspace clustering," The Annals of Statistics, Ann. Statist. 42(2), 669-699, (April 2014)