Retroactively sigh off Esteban's commits

[yshyn-iohk]

Proposed feature

@essbante-io, the following commit should be added to the repo

I, Esteban Garcia, retroactively sign off on these commits:
commit 1707513 Chore/add required md files (#173)

Signed-off-by: Esteban Garcia <esteban.garcia@iohk.io>