Added support for Himoinsa gensets status state sensors (#13456)

* Fix missing mib_dir in definition

* Added state sensors

* snmprec data

* json data

* delete unused snmprec

* License and Author

* remove unused json data

* Fix style issues

* Fix more style issues coz im blind

* Fix more style issues coz im blind last

* Refactored

* Why do we loop?

* Fix style issues

* Update polling

* Refactor to use methods

* Fix a pair of style issues

* Updated test files

* Convert to yaml

* Wrong description on Mode

* Added another state + fixed some indexes

* Dunno what happened

* Fix for phpstan level 6

* Fix forstyleci

Co-authored-by: Tony Murray <murraytony@gmail.com>

misc/discovery_schema.json

@@ -230,6 +230,9 @@
                                                     "string"
                                                 ]
                                             },
+                                            "user_func": {
+                                                "type": "string"
+                                            },
                                             "states": {
                                                 "type": "array",
                                                 "items": {