[lxqt] add gtk2 settings

overlays/lxqt/etc/skel/.gtkrc-2.0

+# DO NOT EDIT! This file will be overwritten by LXAppearance.
+# Any customization should be done in ~/.gtkrc-2.0.mine instead.
+
+include "/home/manjaro/.gtkrc-2.0.mine"
+gtk-theme-name="Adapta-Nokto-Breath"
+gtk-icon-theme-name="Papirus-Dark-Maia"
+gtk-font-name="Cantarell 11"
+gtk-cursor-theme-name="Adwaita"
+gtk-cursor-theme-size=0
+gtk-toolbar-style=GTK_TOOLBAR_BOTH_HORIZ
+gtk-toolbar-icon-size=GTK_ICON_SIZE_LARGE_TOOLBAR
+gtk-button-images=0
+gtk-menu-images=0
+gtk-enable-event-sounds=1
+gtk-enable-input-feedback-sounds=1
+gtk-xft-antialias=1
+gtk-xft-hinting=1
+gtk-xft-hintstyle="hintmedium"