Add gsettings preferences.

Unfortunately, gsettings uses an impractical binary format, so instead
we set it via script.

gsettings.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Caps-lock as compose key
+gsettings set org.gnome.desktop.input-sources xkb-options "['compose:caps']"
+
+# Focus follows mouse, sloppily
+gsettings set org.gnome.desktop.wm.preferences focus-mode "'sloppy'"
+
+# No audible bell
+gsettings set org.gnome.desktop.wm.preferences audible-bell false

install.sh

@@ -50,4 +50,9 @@ installIfAvailable tmux
 echo "Installing remaining packages…"
 stow -t $HOME pacman git
 
+if commandAvailable gsettings; then
+	echo "Installing gsettings preferences…"
+	./gsettings.sh
+fi
+
 echo "Installation finished."