Add homeassistant skill in unpacked format

- Add complete homeassistant skill source to skills/ directory
- Includes all scripts, references, and automation templates
- Matches format of other skills in repository

skills/homeassistant/assets/automation_templates/motion_light.yaml

@@ -0,0 +1,39 @@
+automation:
+  - alias: "Motion-Activated Light"
+    id: motion_light_template
+    description: "Turn on lights when motion detected, turn off after motion stops"
+
+    trigger:
+      - trigger: state
+        entity_id: binary_sensor.REPLACE_WITH_MOTION_SENSOR
+        to: "on"
+
+    condition:
+      # Optional: Only trigger during dark hours
+      - condition: sun
+        after: sunset
+        before: sunrise
+
+    action:
+      # Turn on the light
+      - action: light.turn_on
+        target:
+          entity_id: light.REPLACE_WITH_LIGHT
+        data:
+          brightness: 255  # Adjust brightness (0-255)
+
+      # Wait for motion to stop
+      - wait_for_trigger:
+          - trigger: state
+            entity_id: binary_sensor.REPLACE_WITH_MOTION_SENSOR
+            to: "off"
+            for:
+              minutes: 5  # Adjust delay before turning off
+        timeout:
+          hours: 2  # Maximum time to wait
+        continue_on_timeout: true
+
+      # Turn off the light
+      - action: light.turn_off
+        target:
+          entity_id: light.REPLACE_WITH_LIGHT