Metadata to get rid of EPUB warnings, plus Windows install notes

README.md

@@ -21,6 +21,12 @@ The Pangamebook filter itself does not have to be installed. The file
 *pangamebook.lua* must be copied to somewhere on your computer and
 named on the command-line when running pandoc (see examples below).
 
+## Windows
+Install Pandoc. Install MikTex (as linked from the Pandoc download page).
+Restart computer. Download *pangamebook.lua* and *example.md*.
+That should be enough to be able to run all the
+examples below. Otherwise search for help.
+
 # Input Document
 First you need to write your gamebook. The recommended format is [Pandoc's
 Markdown](https://pandoc.org/MANUAL.html#pandocs-markdown). That is the format

example.md

@@ -1,8 +1,19 @@
-# Pangamebook Example Gamebook
+---
+title: Pangamebook Gamebook Example
+author: Pelle Nilsson
+---
+
+# Pangamebook Gamebook Example
 This is just an example to give new users and idea where to start. See [Pandoc
 Getting Started Article](https://pandoc.org/getting-started.html) and
 [PangamebookREADME](README.md) for more information.
 
+The lines at the very top of this file are needed to add some metadata
+for the book. Otherwise there are ugly warnings when creating EPUB files
+and possibly for other formats as well. Good to always include some
+lines like that. Normally they are invisible and should not show
+up in the output at all.
+
 # Introduction
 Sections with a header like this one will not be affected by the Pangamebook
 filter, as described in the README.