Reorganize configs into packages

watermeter.yaml

@@ -5,20 +5,8 @@ esphome:
     name: dasfoo.watermeter
     version: "1.0"
 
-esp8266:
-  board: nodemcuv2
-
-logger:
-
-mqtt:
-  broker: homeassistant
-  username: esphome
-  password: !secret mqtt_password
-
-status_led:
-  pin:
-    number: D4  # WiFi LED.
-    inverted: true
+packages:
+  device_base: !include templates/esp8266.yaml
 
 sensor:
 - platform: pulse_meter
@@ -38,11 +26,3 @@ sensor:
     unit_of_measurement: "L"
     device_class: "water"
     state_class: "total_increasing"
-
-ota:
-  password: !secret ota_password
-
-wifi:
-  ssid: !secret wifi_ssid
-  password: !secret wifi_password
-  domain: ""