Updated Domain List (#4347)

Added in Script and input_boolean.

Alphabetized them. 

Closes #11459

source/_components/cloud.markdown

@@ -88,14 +88,16 @@ alexa:
 ### {% linkable_title Available domains %}
 Currently, the following domains are available to be used with Alexa:
 - alert
-- automation
+- automation (enables/disables)
 - cover
-- light
 - fan (supports on/off and set speed)
 - group
+- input_boolean
+- light
 - lock (lock and unlock, but unlock is untested as Amazon has disabled unlock for now)
 - media_player (play, pause, stop, set volume, adjust volume, next track and previous track)
 - scene
+- script (enables/disables)
 - switch
 
 [alexa skill]: https://alexa.amazon.com/spa/index.html#skills/dp/B0772J1QKB/?ref=skill_dsk_skb_sr_2