Add setup script

scripts/setup.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+
+install_package() {
+	/usr/bin/apt install $*
+}
+
+update_default_shell() {
+	/usr/sbin/usermod -s /usr/bin/zsh $1
+}
+
+install_shell_config() {
+	/usr/bin/ln -s /etc/toolkit/sh/.zshrc $1
+}
+
+install_package zsh
+
+update_default_shell root
+update_default_shell coby
+
+install_shell_config /root/.zshrc
+install_shell_config /home/coby/.zshrc