Add screenrc helper

diff --git a/setup/screen.sh b/setup/screen.sh
new file mode 100755 (executable)
index 0000000..90f0cf3
--- /dev/null
+++ b/setup/screen.sh
@@ -0,0 +1,3 @@
+mv ~/.screenrc ~/screenrc.bak 2> /dev/null
+ln -s ~/dotfiles/files/screenrc ~/.screenrc
+ls -al ~/ | grep screen