* add Kubernetes for dummies

* sort by alphabetical order

* remove k8s book

* add data Data Science book

* update lint

* update lint

* remove duplicated book and add a new one for data alaytic

* fix lint alphabetical issie

* Update books/free-programming-books-subjects.md
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>
Co-authored-by: NDavid Ordás <3125580+davorpa@users.noreply.github.com>