Added hook to move completed AUR packages.

mvaurpkg.hook

@@ -0,0 +1,10 @@
+[Trigger]
+Type=Package
+Operation=Install
+Operation=Upgrade
+Target=*
+
+[Action]
+Description=Moving completed AUR packages...
+When=PostTransaction
+Exec=/usr/bin/sh -c "find /var/lib/pacman/aur \( -name '*.pkg.tar.zst' -o -name '*.pkg.tar.xz' \) -exec mv '{}' /var/cache/pacman/aur \;"