Add documentation for new option state_color (#12125)

source/_lovelace/button.markdown

@@ -50,6 +50,11 @@ icon_height:
   description: Set the height for the icon. This is in pixels which is handled by the configuration UI. (Advanced users can use other CSS values if they like)
   type: string
   default: auto
+state_color:
+  required: false
+  description: Set to `true` to have icons colored when entity is active
+  type: boolean
+  default: true
 tap_action:
   required: false
   description: Action to take on tap

source/_lovelace/glance.markdown

@@ -47,6 +47,11 @@ columns:
   required: false
   description: Number of columns to show. If not specified the number will be set automatically.
   type: integer
+state_color:
+  required: false
+  description: Set to `true` to have icons colored when entity is active
+  type: boolean
+  default: true
 {% endconfiguration %}
 
 ## Options For Entities

source/_lovelace/picture-elements.markdown

@@ -188,6 +188,11 @@ title:
   required: false
   description: Icon tooltip. Set to null to hide.
   type: string
+state_color:
+  required: false
+  description: Set to `true` to have icons colored when entity is active
+  type: boolean
+  default: true
 tap_action:
   required: false
   description: Action to take on tap