add version text sensor to dry contact

Author: PaulWieland

base_drycontact.yaml

@@ -11,6 +11,10 @@ external_components:
 preferences:
   flash_write_interval: 1min
 
+text_sensor:
+  - platform: version
+    name: "Firmware Version"
+
 ratgdo:
   id: ${id_prefix}
   output_gdo_pin: ${uart_tx_pin}
@@ -92,4 +96,4 @@ button:
     on_press:
       then:
         lambda: !lambda |-
-          id($id_prefix).door_toggle();
+          id($id_prefix).door_toggle();