created update script

spacemacs.zsh

@@ -0,0 +1,17 @@
+#!/bin/zsh
+#This will install Spacemacs (again)
+#cleanup 
+echo "Removing old emacs"
+if [ -e ~/.emacs.d/]
+    then
+      mv ~/.emacs.d ~/doom.d
+fi
+
+#Select Stable or Develop
+read -p "Should we use the development version of emacs?" dist
+if [[ $dist = y ]] then
+  git clone -b develop https://github.com/syl20bnr/spacemacs ~/.emacs.d
+else 
+  git clone https://github.com/syl20bnr/spacemacs ~/.emacs.d
+fi 
+