better readme

README.md

@@ -2,18 +2,19 @@
 
 Instructions here https://developer.atlassian.com/blog/2016/02/best-way-to-store-dotfiles-git-bare-repo/
 
-
-    git clone --bare git@github.com:artizirk/dotfiles.git $HOME/.cfg
-    function config {
+```sh
+git clone --bare git@github.com:artizirk/dotfiles.git $HOME/.cfg
+function config {
    /usr/bin/git --git-dir=$HOME/.cfg/ --work-tree=$HOME $@
-    }
-    mkdir -p .config-backup
-    config checkout
-    if [ $? = 0 ]; then
+}
+mkdir -p .config-backup
+config checkout
+if [ $? = 0 ]; then
     echo "Checked out config.";
-      else
+else
     echo "Backing up pre-existing dot files.";
     config checkout 2>&1 | egrep "\s+\." | awk {'print $1'} | xargs -I{} mv {} .config-backup/{}
-    fi;
-    config checkout
-    config config status.showUntrackedFiles no
+fi;
+config checkout
+config config status.showUntrackedFiles no
+```