modified: docs/desktop-environments/kde.md
renamed: docs/desktop-environments/xfc4.md -> docs/desktop-environments/xfce4.md
new file: docs/display-managers/gdm.md
new file: docs/display-managers/sddm.md
new file: docs/display-protocols/wayland.md
new file: docs/display-protocols/x11.md
new file: docs/window-managers/hyprland.md
new file: docs/window-managers/kwin.md
