Merge pull request #39 from graphras-com/docs/add-timer-domain

docs: add Timer domain to mkdocs reference

Author: Faerkeren

docs/reference/domains/timer.md

@@ -0,0 +1,3 @@
+# Timer
+
+::: haclient.domains.timer

mkdocs.yml

@@ -35,6 +35,7 @@ nav:
           - Sensor: reference/domains/sensor.md
           - Binary Sensor: reference/domains/binary_sensor.md
           - Media Player: reference/domains/media_player.md
+          - Timer: reference/domains/timer.md
 
 plugins:
   - search