Adding build script

Adds a build script for Unix-like systems.

compile

+#!/bin/bash
+
+if [ ! -f "$(command -v tweego)" ]; then
+	echo "Cannot find tweego. Please install tweego before compiling."
+	exit 1
+fi
+
+VERSION="$(git describe --tags --always --dirty)"
+
+TWEEGO_PATH="./StoryFormats" tweego -o "Degrees of Lewdity $VERSION.html" game