Update modules/lang/*

modules/lang/sh/setup.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+source VARS
+
+#
+echo "Setting up zsh/bash (zshdb, bashdb)"
+
+if is-mac; then
+    brew install zshdb bashdb
+elif is-arch; then
+    sudo pacman --noconfirm -S zshdb bashdb
+fi