In this patchset, I added a small subsection which highlights the fact
that actions are using Voluptuous Schemas to validate their input
parameters.
Change-Id: I96a6060cf167468e4a3f7c8d8cd78330a20572e3
Closes-Bug: #1545643
This documentation describes step-by-step the process for implementing
a new action in Watcher.
Change-Id: I978b81cdf9ac6dcf43eb3ecbb79ab64ae4fd6f72
Closes-Bug: #1534639