iAlarm to Keenetic: add host field description (#104791)

Co-authored-by: Andrey Kupreychik <foxel@quickfox.ru>

homeassistant/components/ialarm/strings.json

@@ -5,6 +5,9 @@
         "data": {
           "host": "[%key:common::config_flow::data::host%]",
           "port": "[%key:common::config_flow::data::port%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of Antifurto365 iAlarm system."
         }
       }
     },

homeassistant/components/iotawatt/strings.json

@@ -4,6 +4,9 @@
       "user": {
         "data": {
           "host": "[%key:common::config_flow::data::host%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your IoTaWatt device."
         }
       },
       "auth": {

homeassistant/components/keenetic_ndms2/strings.json

@@ -9,6 +9,9 @@
           "username": "[%key:common::config_flow::data::username%]",
           "password": "[%key:common::config_flow::data::password%]",
           "port": "[%key:common::config_flow::data::port%]"
+        },
+        "data_description": {
+          "host": "The hostname or IP address of your Keenetic router."
         }
       }
     },