edits for clustering

4-Clustering/2-K-Means/README.md

4-Clustering/2-K-Means/assignment.md

4-Clustering/2-K-Means/translations/README.es.md

4-Clustering/3-Centroid/README.md

4-Clustering/3-Centroid/assignment.md

4-Clustering/3-Centroid/translations/README.es.md

4-Clustering/4-API/README.md

4-Clustering/4-API/assignment.md

4-Clustering/4-API/translations/README.es.md

4-Clustering/README.md

4-Clustering/data/maya-sites.csv

4-Clustering/images/chichen-itza.jpg

README.md