Minimal readme

README.md

+This repository contains a beamer theme plus an example build flow.
+
+The build flow uses:
+- pdflatex
+- gnummake for automation
+- inkscapeto generate pdf from svg files
+- libreoffice to generate pdf from odg files
+- xfig to generate pdf from fig files
+
+
+**If you just want to use the theme and not interested in the rest, just copy:**
+
+- the sty theme file `beamerthemetptng.sty`
+- the pdf logos files
+
+from the [`texinputs`](texinputs) directory.