Add config flow to System Monitor (#104906)

* Initial commit for config flow to System Monitor

* sensors

* Fixes

* Works

* Add import

* entity_registry_enabled_default = False

* entity_category = diagnostic

* Create issue

* issue in config flow

* Tests

* test requirement

* codeowner

* Fix names

* processes

* Fix type

* reviews

* get info during startup once

* Select process

* Legacy import of resources

* requirements

* Allow custom

* Fix tests

* strings

* strings

* Always enable process sensors

* Fix docstrings

* skip remove sensors if no sensors

* Modify sensors

* Fix tests

homeassistant/generated/config_flows.py

@@ -490,6 +490,7 @@ FLOWS = {
         "syncthru",
         "synology_dsm",
         "system_bridge",
+        "systemmonitor",
         "tado",
         "tailscale",
         "tailwind",

homeassistant/generated/integrations.json

@@ -5731,7 +5731,7 @@
     "systemmonitor": {
       "name": "System Monitor",
       "integration_type": "hub",
-      "config_flow": false,
+      "config_flow": true,
       "iot_class": "local_push"
     },
     "tado": {