Added information about the header template configuration expected by the Asciidoc2html-pdf toolchain
Added information about the header template configuration expected by the Asciidoc2html-pdf toolchain

TSSG/asciidoc2html-pdf,TSSG/asciidoc2html-pdf,TSSG/asciidoc2html-pdf,TSSG/asciidoc2html-pdf,TSSG/asciidoc2html-pdf,TSSG/asciidoc2html-pdf