Add link to blog article

With a more in-depth look at what it is and how to use it.

Change-Id: Id84b558c1c6c7160a6e48e2e0eb80b7cb98f1e9b
Reviewed-on: https://gerrit.causes.com/23115
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Aiden Scandella <aiden@causes.com>
Tested-by: Aiden Scandella <aiden@causes.com>