Add zsh config script

Ubuntu/config_zsh.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+chsh -s /usr/bin/zsh $(whoami)
+
+wget https://github.com/robbyrussell/oh-my-zsh/raw/master/tools/install.sh -O - | zsh
+
+cp ~/.oh-my-zsh/templates/zshrc.zsh-template ~/.zshrc
+zsh
+source ~/.zshrc