Update nexia to add switch platform (#21213)

source/_integrations/nexia.markdown

@@ -6,6 +6,7 @@ ha_category:
   - Sensor
   - Climate
   - Scene
+  - Switch
 ha_release: 0.108
 ha_iot_class: Cloud Polling
 ha_config_flow: true
@@ -18,6 +19,7 @@ ha_platforms:
   - climate
   - scene
   - sensor
+  - switch
 ---
 
 The `nexia` integration allows you to integrate your [Nexia](https://mynexia.com/) (Trane) thermostats or [American Standard](https://asairhome.com/) thermostats into Home Assistant.
@@ -28,6 +30,7 @@ There is currently support for the following device types within Home Assistant:
 - [Climate](#climate)
 - [Sensor](#sensor)
 - [Scene](#scene)
+- [Switch](#switch)
 
 {% include integrations/config_flow.md %}
 
@@ -39,7 +42,7 @@ The following binary sensors are added for each thermostat:
 
 ### Sensor
 
-The following binary sensors are added for each thermostat:
+The following sensors are added for each thermostat:
 
 - Air Cleaner Mode
 - Current Compressor Speed
@@ -48,7 +51,7 @@ The following binary sensors are added for each thermostat:
 - Relative Humidity
 - System Status
 
-The following binary sensors are added for each thermostat zone:
+The following sensors are added for each thermostat zone:
 
 - Zone Temperature
 - Zone Setpoint Status
@@ -56,7 +59,7 @@ The following binary sensors are added for each thermostat zone:
 
 ### Climate
 
-The `nexia` climate platform lets you control a thermostat.
+The climate platform lets you control a thermostat.
 
 The following Trane thermostats are supported: `XL1050`, `XL850`, `XL824`
 
@@ -68,7 +71,11 @@ Other thermostats may work, but they have not been tested.
 
 ### Scene
 
-The `nexia` scene platform lets you activate a nexia automation.
+The scene platform lets you activate a nexia automation.
+
+### Switch
+
+The switch platform lets you enable or disable hold mode for each thermostat.
 
 ### Service `nexia.set_aircleaner_mode`