Support for the AirThings Wave Plus (#1656)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/airthings_ble/__init__.py

@@ -0,0 +1,23 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import esp32_ble_tracker
+from esphome.const import CONF_ID
+
+DEPENDENCIES = ["esp32_ble_tracker"]
+CODEOWNERS = ["@jeromelaban"]
+
+airthings_ble_ns = cg.esphome_ns.namespace("airthings_ble")
+AirthingsListener = airthings_ble_ns.class_(
+    "AirthingsListener", esp32_ble_tracker.ESPBTDeviceListener
+)
+
+CONFIG_SCHEMA = cv.Schema(
+    {
+        cv.GenerateID(): cv.declare_id(AirthingsListener),
+    }
+).extend(esp32_ble_tracker.ESP_BLE_DEVICE_SCHEMA)
+
+
+def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    yield esp32_ble_tracker.register_ble_device(var, config)