Add the start of a setup script

setup.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+# This script sets up the configuration from this repository
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+# Link Neovim config
+mkdir -p ~/.config
+cd ~/.config
+ln -s $DIR/nvim
+
+# Install VimPlug
+curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs \
+       https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim