added template

README.md

+# wifi credentials
+need to create wifi_credentials.h from template.h

include/template.h

+
+#ifndef __WIFI_CREDENTIALS_H
+#define __WIFI_CREDENTIALS_H
+
+#ifndef STASSID
+#define STASSID "ssid"
+#define STAPSK  "key"
+#endif
+
+#endif // __WIFI_CREDENTIALS_H

platformio.ini

 board = esp01_1m
 framework = arduino
 
+; stuff for OTA 
+; https://docs.platformio.org/en/latest/platforms/espressif8266.html#over-the-air-ota-update
+upload_protocol = espota
+upload_port = 192.168.10.94
+upload_flags =
+  --port=8266
+  --auth=admin
 

src/main.cpp

     ESP.restart();
   }
 
-  // Port defaults to 8266
-  // ArduinoOTA.setPort(8266);
-
-  // Hostname defaults to esp8266-[ChipID]
-  ArduinoOTA.setHostname("myesp8266");
+  // setup OTA
+  ArduinoOTA.setPort(8266);
+  ArduinoOTA.setHostname("ESP_Treppenlicht");
 
   // No authentication by default
-  // ArduinoOTA.setPassword("admin");
+  ArduinoOTA.setPassword("admin");
 
   // Password can be set with it's md5 value as well
   // MD5(admin) = 21232f297a57a5a743894a0e4a801fc3