Add regular MWW state check

Ensures that if the micro_wake_word component stops, it will be
automatically restarted on a regular interval.

supersensor.yaml

@@ -253,6 +253,17 @@ script:
           }
 
 interval:
+  # Regular MWW state check every 30s
+  - interval: 30s
+    then:
+      - if:
+          condition:
+            - switch.is_on: enable_voice_support
+            - not:
+                micro_wake_word.is_running
+          then:
+            - micro_wake_word.start:
+
   # Regular occupancy state reporting to HASS every 30s
   - interval: 30s
     then: