Adding elasticsearch monitoring to the ecs directory of the monitor module

[Robert Lyon]

It existed in the command line (cli) directory but not for nagios (ecs) directory.

So will port over

[Mahara Bot (dev-mahara)]

Patch for "main" branch: https://reviews.mahara.org/12313

[Mahara Bot (dev-mahara)]

Patch for "main" branch: https://reviews.mahara.org/12314

[Mahara Bot (dev-mahara)]

Reviewed: https://reviews.mahara.org/12313
Committed: https://git.mahara.org/mahara/mahara/commit/4d6b44ab895390eb9feb8f424922a170161f4732
Submitter: Robert Lyon (<email address hidden>)
Branch: main

commit 4d6b44ab895390eb9feb8f424922a170161f4732
Author: Fergus Whyte <email address hidden>
Date: Tue Dec 21 11:00:18 2021 +1300

Bug 1955431: Adding the elasticsearch monitor option to the ecs directory

So that nagios can action it

Change-Id: Ib6ed6ae43eb01a116604e73058901278ed9e31a3
Signed-off-by: Robert Lyon <email address hidden>