Implement lock to yale_smart_alarm (#21089)

Co-authored-by: Franck Nijhof <frenck@frenck.nl>

source/_integrations/yale_smart_alarm.markdown

@@ -3,6 +3,7 @@ title: Yale Smart Living
 description: Instructions on how to integrate Yale Smart Alarms into Home Assistant.
 ha_category:
   - Alarm
+  - Lock
 ha_release: 0.78
 ha_iot_class: Cloud Polling
 ha_config_flow: true
@@ -11,38 +12,27 @@ ha_codeowners:
 ha_domain: yale_smart_alarm
 ha_platforms:
   - alarm_control_panel
+  - lock
 ---
 
 The Yale Smart Living integration provides connectivity with the Yale Smart Alarm systems and Smart Hub through Yale's API.
 
-This platform supports the following services: `alarm_arm_away`, `alarm_arm_home` and `alarm_disarm`.
-Currently only one alarm is supported.
+There is currently support for the following device types within Home Assistant:
+
+- Alarm
+- Lock
 
 {% include integrations/config_flow.md %}
 
-## Automation example
+## Alarm Control Panel
 
-```yaml
-automation:
-  - alias: "Alarm: Disarmed Daytime"
-    trigger:
-      platform: state
-      entity_id: alarm_control_panel.yale_smart_alarm
-      to: "disarmed"
-    condition:
-      condition: sun
-      before: sunset
-    action:
-      service: scene.turn_on
-      target:
-        entity_id: scene.OnDisarmedDaytime
-  - alias: "Alarm: Armed Away"
-    trigger:
-      platform: state
-      entity_id: alarm_control_panel.yale_smart_alarm
-      to: "armed_away"
-    action:
-      service: scene.turn_on
-      target:
-        entity_id: scene.OnArmedAway
-```
+Services provided are `armed_away`, `armed_home`, and `disarmed`.
+
+No code is required to operate the alarm.
+
+
+## Lock
+
+The lock platform requires a code for unlocking but no code for locking.
+
+The integration can be configured to provide a default code that is used if no code is supplied and the number of digits required.