Update AlarmDecoder Docs (#12231)

* update alarmdecoder docs

* Update alarmdecoder.markdown

* added new config option

* config -> configuration

source/_integrations/alarmdecoder.markdown

@@ -82,10 +82,15 @@ panel_display:
   default: false
   type: boolean
 autobypass:
-  description: "If this is set to `true`, then when arming (home or away), it will automatically bypass all open zones (sending '6#')."
+  description: "If this is set to `true`, then when arming (home or away), it will automatically bypass all open zones (sending '6#'). This will require your code to be entered even if `code_arm_required` is set to `false`."
   required: false
   default: false
   type: boolean
+code_arm_required:
+  description: "If this is set to `false`, you will not need to enter your code to arm the system."
+  required: false
+  default: true
+  type: boolean
 zones:
   description: "AlarmDecoder has no way to tell us which zones are actually in use, so each zone must be configured in Home Assistant. For each zone, at least a name must be given. For more information on the available zone types, take a look at the [Binary Sensor](/integrations/alarmdecoder) documentation. *Note: If no zones are specified, Home Assistant will not load any binary_sensor integrations.*"
   required: false
@@ -131,6 +136,7 @@ There are several attributes available on the alarm panel to give you more infor
 - `programming_mode`: Set to `true` if your system is in programming mode.
 - `ready`: Set to `true` if your system is ready to be armed. Any faults, including motions sensors, will make this value `false`.
 - `zone_bypassed`: Set to `true` if your system is currently bypassing a zone.
+- `code_arm_required`: Set to the value specified in your configuration.
 
 ## Services