Revise paste HTML Generator

#!/bin/bash

if [ "$1" = "" ]
then
  echo "What do you want to call your project?"
  read dir
else
  dir="$1"
fi

echo "Creating Directories for $dir"
mkdir -p "$dir/js"
mkdir -p "$dir/css"

echo "Getting some JavaScript Libraries..."
wget "http://code.jquery.com/jquery-1.11.2.min.js" -O "$dir/js/jquery.js"
wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js" -O "$dir/js/bootstrap.js"
wget "http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.js" -O "$dir/js/jquery.mobile.js"

echo "Getting Some CSS Files..."
wget "http://code.jquery.com/mobile/1.4.5/jquery.mobile-1.4.5.min.css" -O "$dir/css/jquery.mobile.css"
wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css" -O "$dir/css/bootstrap.min.css"
wget "https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap-theme.min.css" -O "$dir/css/bootstrap-theme.min.css"

clear
echo "Creating basic HTML file..."
cat << EOF >> "$dir/index.html"
<!DOCTYPE html>
<html>
<head>
  
  <meta name="viewport" content="width=device-width, initial-scale=1">
  
  
  <script src="js/jquery.js"></script>

</body>
</html>
EOF