Initial commit for a tutorial on getting started with kustomize (#4516)

* Initial commit for a tutorial on getting started with kustomize

* add build commands and update comment with name of the file

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: David Jacob <davidmjacob86@gmail.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: David Jacob <davidmjacob86@gmail.com>

* fix typo

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Natasha Sarkar <natashasarkar@google.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Natasha Sarkar <natashasarkar@google.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Natasha Sarkar <natashasarkar@google.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Natasha Sarkar <natashasarkar@google.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Natasha Sarkar <natashasarkar@google.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Natasha Sarkar <natashasarkar@google.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Natasha Sarkar <natashasarkar@google.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Natasha Sarkar <natashasarkar@google.com>

* updates following review

* updates to getting started guide

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Katrina Verey <kn.verey@gmail.com>

* Update site/content/en/docs/Getting started/first_kustomization.md

Co-authored-by: Katrina Verey <kn.verey@gmail.com>

* updates to consolidate example into one folder

Co-authored-by: David Jacob <davidmjacob86@gmail.com>
Co-authored-by: Natasha Sarkar <natashasarkar@google.com>
Co-authored-by: Katrina Verey <kn.verey@gmail.com>