Citadel boot UI

A new user interface for Citadel when connected to a screen.

Required packages to build this:

sudo apt install libqt5gui5-dev libqt5svg5-dev libqt5network5-dev cmake make gcc g++ qtwebengine5-dev -y

mkdir build
cd build
cmake ..
make -j$(nproc)

To run this on an Raspberry Pi with Citadel OS, run

./citadel-gui