update README and add LaTeX style for Pandoc

README.md

 # rdd-technical-reference
 Guidelines and references for software development in RDD
 
+To compile in markdown, use
+
+'pandoc --template=rdd.latex rdd-technical-reference.md -o rdd-technical-reference.pdf'
+
 Based on https://dariah-eric.github.io/technical-reference/.

rdd.latex

+\documentclass[11pt,twoside,a4paper]{article}
+
+\usepackage{hyperref}
+\def\tightlist{}
+
+\title{$title$}
+\date{Date of last change:\\
+$date$}
+
+\begin{document}
+
+\maketitle
+
+$body$
+
+\end{document}