====== IDE installieren ======
1. download von  in das Verzeichnis ~/bin
2. apparmor-Rule
3. chmod +x ~/bin/arduino*AppImage
4. /etc/udev/rules.d/99-arduino.rules muss so aussehen:
  SUBSYSTEMS=="usb", ATTRS{idVendor}=="2341", GROUP="plugdev", MODE="0666"
5. Load ESP Libraries in IDE (from https://randomnerdtutorials.com/how-to-install-esp8266-board-arduino-ide/):
  https://dl.espressif.com/dl/package_esp32_index.json, http://arduino.esp8266.com/stable/package_esp8266com_index.json