Add svm.py to machine_learning

[AnishCoder2006]

Support Vector Machine (SVM) Classifier with Hyperparameter Tuning

Implementation of SVM classification with grid search for optimal hyperparameters using the breast cancer Wisconsin dataset.

SVM is a supervised machine learning algorithm that finds the optimal hyperplane that separates classes with the maximum margin.

Reference: https://en.wikipedia.org/wiki/Support_vector_machine