doc: add descriptions of our tooling box in ./utils

Initial started with the scripts for searx, filtron and morty installations.

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>

docs/utils/morty.sh.rst

@@ -0,0 +1,31 @@
+
+.. _morty.sh:
+
+.. _morty: https://github.com/asciimoo/morty
+.. _morty's README: https://github.com/asciimoo/morty
+
+==================
+``utils/morty.sh``
+==================
+
+To simplify installation and maintenance of a morty_ instance you can use the
+script :origin:`utils/morty.sh`.  In most cases you will install morty_ simply by
+running the command:
+
+.. code::  bash
+
+   sudo -H ./utils/morty.sh install all
+
+The script adds a ``${SERVICE_USER}`` (default:``morty``) and installs morty_
+into this user account.
+
+.. hint::
+
+   To add morty to your searx instance read chapter :reF:`searx_morty`.
+
+
+The ``--help`` output of the script is largely
+self-explanatory:
+
+.. program-output:: ../utils/morty.sh --help
+