Allow other configurations to hook into hlwm

herbstluftwm/.config/herbstluftwm/autostart

@@ -207,3 +207,16 @@ herbstclient set tree_style '╾│ ├└╼─┐'
 ## Monitors
 # I have two monitors, each with a resolution of 1920x1080.
 hc set_monitors 1920x1080+0+0 1920x1080+1920+0
+
+## Other configurations
+
+# Load any other configuration files in
+# $HOME/.config/herbstluftwm/autostart.d so other programs can
+# configure parts of herbstluftwm to their needs (such as keybindings
+# for Rofi).
+if [ -d "${HOME}/.config/herbstluftwm/autostart.d" ]; then
+    for f in ${HOME}/.config/herbstluftwm/autostart.d/?*.sh; do
+        [ -x "$f" ] && source "$f"
+    done
+    unset f
+fi