Update README.md

Author: CelliesProjects

README.md

@@ -10,6 +10,7 @@ The files were retrieved at `Januari 3 2022` at commit [ebdcc62](https://github.
 1.  A ESP8266 with at least 8MB flash memory. A suitable board is for example the [WEMOS D1 mini Pro](https://www.wemos.cc/en/latest/d1/d1_mini_pro.html ).
 2.  Arduino IDE, capable of compiling [ESP8266 nonos](https://github.com/esp8266/Arduino) sketches and the [arduino-esp8266fs-plugin](https://github.com/esp8266/arduino-esp8266fs-plugin/releases) installed on your system.
 3.  The magic USB stick flashed with `exfathax.img`.
+4.  [ESPAsyncTCP](https://github.com/me-no-dev/ESPAsyncTCP) and [ESPAsyncWebServer](https://github.com/me-no-dev/ESPAsyncWebServer) installed in the Arduino libraries folder.
 
 ### How to use