Add wifi and ota

lib/ota/ota.cpp

@@ -0,0 +1,34 @@
+#include <ArduinoOTA.h>
+#include "ota.h"
+
+OTAHandler::OTAHandler(std::string hostname) {
+    ArduinoOTA.setHostname(hostname.c_str());
+    ArduinoOTA.onStart([]() {
+        Serial.println("OTA Start");
+    });
+    ArduinoOTA.onEnd([]() {
+        Serial.println("OTA End");
+    });
+    ArduinoOTA.onProgress([](unsigned int progress, unsigned int total) {
+        Serial.printf("OTA Progress: %u%%\n", (progress / (total / 100)));
+    });
+    ArduinoOTA.onError([](ota_error_t error) {
+        Serial.printf("OTA Error[%u]: ", error);
+        if (error == OTA_AUTH_ERROR) {
+            Serial.println("Auth Failed");
+        } else if (error == OTA_BEGIN_ERROR) {
+            Serial.println("Begin Failed");
+        } else if (error == OTA_CONNECT_ERROR) {
+            Serial.println("Connect Failed");
+        } else if (error == OTA_RECEIVE_ERROR) {
+            Serial.println("Receive Failed");
+        } else if (error == OTA_END_ERROR) {
+            Serial.println("End Failed");
+        }
+    });
+    ArduinoOTA.begin();
+}
+
+void OTAHandler::poll() {
+    ArduinoOTA.handle();
+}