fix coverpage theme error with date-fontsize

Fix bug if user selected date-fontsize in the coverpage-theme. The lua filter was not setting a default spacing so the fontspec latex was failing.

fix coverpage author errors

Two bugs

• was ignoring author-style: "none" if coverpage: true
• was throwing an error if there was not author at all

Fix the titlepage missing error

• Fix the missing titlepage bug
• Make the coverpage demos more robust
• Provide a simple example in addition to the more complex one with coverpage

v3.3.5 Fix Palatino font

This font is not on Windows which uses "Palatino Linotype". Replaced with Arial which is more commonly available.

v3.3.4 Various formatting additions

• Add affiliation sep so can have affiliations on new line
• Add author-space-between so can have each author-address block separated by space
• Allow author, affiliation, header, footer, date to have color
• Add date to coverpage
• Add -node-spec for coverpage elements so you get full control over the nodes and can make the text boxes filled with color.
• Add some info to the documentation on how to define your own color in the LaTeX header

v3.3.3 add coverpage-include-file

• add coverpage-include-file so that you can have copyright or other static pages after the cover page.
• fixed some typos in the documentation

v3.3.2 Minor clean-up

• A few typos.
• Fix the links to the github source.
• Add some more yaml in the static chapter

v3.3.1 Add documentation in a folder

The documentation is now included with a release in folder documentation. The GitHub Action in .github/workflows builds the documentation book from this folder.

v3.3.0 Include files

Allows the static pages to be added to the front matter using

titlepage-include-file:
  - file1.tex
  - file2.tex
  - file3.tex

v3.2.1 Patch to fix error with version number

Latest Quarto version requires three numbers (Major.Minor.Patch) for Quarto extension versions.