Merge pull request #14 from bertocco/main

Solve issue #13 Add pdf preview to README

Author: mbtaylor

README.md

@@ -25,3 +25,8 @@ provides a Docker Image with the required enviroment already installed
 details, see [ivoatexDoc](https://ivoa.net/documents/Notes/IVOATexDoc/).
 
 This document is distributed under CC-BY-SA.
+__________________________________________________________
+PDF preview. DO NOT PUBLISH.
+
+[![PDF-Preview](https://img.shields.io/badge/Preview-PDF-blue)](../../releases/download/auto-pdf-preview/AuthVO-draft.pdf)
+