Status LED on every ATOM device (except the vehicle beacons)

common/status_led_atom.yaml puts common/status_led.yaml on the ATOM Lite's
own RGB LED (G27, 64 RMT symbols to leave room for IR/RF). echo-1 uses its
existing LED light.

mcu-well.yaml

@@ -5,6 +5,7 @@
 #   GPIO23                             -> modbus_uart (uart tx_pin)
 #   GPIO25                             -> i2c (i2c sda)
 #   GPIO26  Grove SDA
+#   GPIO27  NEO (ATOM RGB LED)         -> atom_led (status LED, common/status_led_atom.yaml)
 #   GPIO32  Grove SCL
 #   GPIO33                             -> modbus_uart (uart rx_pin)
 # I2C:
@@ -45,6 +46,7 @@ esp32:
 packages:
   common: !include common/common.yaml
   ipv6_only: !include common/ipv6_only.yaml
+  status_led: !include common/status_led_atom.yaml
 
 api:
   actions: