add readme

README.md

@@ -0,0 +1,19 @@
+# Dotfiles
+
+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 $HOME/.cfg
+    function config {
+       /usr/bin/git --git-dir=$HOME/.cfg/ --work-tree=$HOME $@
+    }
+    mkdir -p .config-backup
+    config checkout
+    if [ $? = 0 ]; then
+      echo "Checked out config.";
+      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