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/solaar.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Solaar Logitech status applet
+Requires=graphical-session.target
+After=graphical-session.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/solaar --debug --restart-on-wake-up --window=hide
+KillMode=process
+Restart=on-failure
+
+[Install]
+WantedBy=desktop.target