Add beginning of wal setup

feh/.config/wal/hooks/00-feh.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+feh --bg-fill "$(cat $HOME/.cache/wal/wal)"

wal/bin/run-wal-hooks.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+# This script runs hooks found in $HOME/.config/wal/hooks.
+# It's meant to be passed to wal as follows: wal -i /path/to/img -o run-wal-hooks.sh
+
+for f in $(find "$HOME/.config/wal/hooks/" -maxdepth 1 -type f | sort); do
+	bash "$f"
+done