Support for simpleinit-msb init system (#6618)

* Support for simpleinit-msb init system

* Drop unused imports

* Correct regex

* Fix documentation

* Address BOTMETA

* PEP8 compliance

* Drop irrelevant snippet

* Add missing option type in docs

* PEP8 compliance

* Update plugins/modules/simpleinit_msb.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/modules/simpleinit_msb.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/modules/simpleinit_msb.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Daemonize commands in service control to handle telinit broken behavior

* Update plugins/modules/simpleinit_msb.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/modules/simpleinit_msb.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/modules/simpleinit_msb.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Update plugins/modules/simpleinit_msb.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Unify examples section

* Add unit tests for service state detection

* Drop unused import

* Add service enable/disable tests

* Test get_service_tools()

* Do not shadow fail_json()

* Reuse module init

* Implement service_enabled() and associated tests

* Update plugins/modules/simpleinit_msb.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* Indent

* Bump version_added

* Bump requirements

* Reword and move to notes

---------

Co-authored-by: Felix Fontein <felix@fontein.de>

.github/BOTMETA.yml

@@ -1213,6 +1213,8 @@ files:
     ignore: ryansb
   $modules/shutdown.py:
     maintainers: nitzmahone samdoran aminvakil
+  $modules/simpleinit_msb.py:
+    maintainers: vaygr
   $modules/sl_vm.py:
     maintainers: mcltn
   $modules/slack.py: