dotfiles: move .config/* to root

This seems to make more sense. Almost all files were within .config
anyway.

Signed-off-by: Joe Groocock <me@frebib.net>

systemd/user/xsettingsd.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=xsettingsd - provide settings to X11 applications
+Requires=xorg.target
+After=xorg.target profile.service
+
+[Service]
+ExecStart=/bin/sh -c 'xsettingsd -c $XDG_CONFIG_HOME/xsettingsd/xsettingsd.local'
+ExecReload=/bin/kill -s HUP $MAINPID
+Restart=always
+
+[Install]
+WantedBy=graphical-session.target