decision tree updated with comments

improved naive bayes implementation

improve naive bayes, added raw version

improve decision tree

chore: removed unused line

Update README.md

improved comments for SVM

optimized centroid update

optimized k means

optimized knn with numpy

replaced one line

decision tree raw

added raw implementations without any comments

added numpy implementation

feat: MLP

chore: updated kmeans

updated entropy method

feat: updated svm with detailed comments

chore: simplified naive bayes

chore: var name change

chore: uses numpy array

chore: improved LR

feat: SVM

in progress: gradient boosting

feat: k-means

Update README.md

feat: convolution operation

Update README.md

feat: PCA

chore: added docs and comments