add solution for qt xcb error

README.md

@@ -28,6 +28,19 @@ This is a poetry managed project. For details see:
 
 Try exporting `REQUESTS_CA_BUNDLE=/etc/ssl/certs/ca-certificates.crt` to use system ca store.
 
+## QT XCB Error
+
+```
+qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
+This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.
+
+Available platform plugins are: offscreen, minimalegl, vnc, linuxfb, minimal, vkkhrdisplay, xcb, wayland-egl, wayland, eglfs.
+```
+
+Install xcb libs:
+
+```sudo apt-get install libglu1-mesa-dev libx11-xcb-dev '^libxcb*'```
+
 # Other Ressources
 
 ## Manuals/How-To's