fix climate services (missing indentation, wrongly formatted example) (#9805)

homeassistant/components/climate/services.yaml

@@ -101,11 +101,11 @@ set_swing_mode:
   fields:
     entity_id:
       description: Name(s) of entities to change
-      example: '.nest'
+      example: 'climate.nest'
 
     swing_mode:
-    description: New value of swing mode
-    example: 1
+      description: New value of swing mode
+      example: 1
 
 ecobee_set_fan_min_on_time:
   description: Set the minimum fan on time