feat: add example code using WifiManager and esp_alexa

esp_alexa/esp_alexa.ino

@@ -0,0 +1,58 @@
+#include <ESP8266WiFi.h>
+#include <WiFiManager.h>  // https://github.com/tzapu/WiFiManager
+#include <Espalexa.h>
+
+// Create an instance of Espalexa
+Espalexa espalexa;
+
+// Pin definitions for the lights
+const int lightPin1 = LED_BUILTIN;
+
+// State variables for the lights
+bool lightState1 = false;
+
+// Callback functions for Alexa commands
+void light1Changed(uint8_t brightness) {
+  lightState1 = brightness > 0;
+  digitalWrite(lightPin1, lightState1 ? HIGH : LOW);
+  Serial.println("Light 1 State: " + String(lightState1));
+}
+
+void setup() {
+  // Start the serial communication
+  Serial.begin(115200);
+  delay(1000);
+
+  // Set up the pins as outputs
+  pinMode(lightPin1, OUTPUT);
+
+  // Create an instance of WiFiManager
+  WiFiManager wifiManager;
+
+  // Uncomment the following line to reset saved WiFi credentials
+  // wifiManager.resetSettings();
+
+  // Automatically connect to WiFi
+  // If it fails, it will start an access point with the specified name
+  // and wait for you to connect and configure the credentials
+  if (!wifiManager.autoConnect("AutoConnectAP")) {
+    Serial.println("Failed to connect and hit timeout");
+    // Reset and try again, or go to deep sleep
+    ESP.reset();
+    delay(1000);
+  }
+
+  // If you get here, you have connected to the WiFi
+  Serial.println("Connected to WiFi!");
+
+  // Add devices to Espalexa
+  espalexa.addDevice("Licht", light1Changed);
+
+  // Start Espalexa
+  espalexa.begin();
+}
+
+void loop() {
+  // Handle Alexa requests
+  espalexa.loop();
+}