[sway] cleanup theming; moved theme scripts and templates to $HOME

overlays/sway/etc/skel/.config/qt5ct/qt5ct.conf

overlays/sway/etc/skel/.config/sway/config

.../etc/skel/.config/sway/config.d/97-enable-xterm-emulation

...ay/etc/skel/.config/sway/config.d/98-application-defaults

.../etc/skel/.config/sway/config.d/99-autostart-applications

.../etc/skel/.config/sway/themes/scripts/01-enable-gtk-theme

.../skel/.config/sway/themes/scripts/02-enable-kvantum-theme

...etc/skel/.config/sway/themes/scripts/03-enable-mako-theme

.../etc/skel/.config/sway/themes/scripts/04-link-theme-files

overlays/sway/etc/skel/.config/sway/themes/templates/gtk2

overlays/sway/etc/skel/.config/sway/themes/templates/gtk3

overlays/sway/etc/skel/.config/sway/themes/templates/gtk4

overlays/sway/etc/skel/.config/sway/themes/templates/kvantum

overlays/sway/etc/skel/.config/sway/themes/templates/mako

overlays/sway/etc/sway/config.d/91-enable-kvantum-theme

overlays/sway/etc/sway/config.d/92-enable-mako-theme

overlays/sway/etc/sway/config.d/94-enable-xterm-emulation