add lib/asciidoctor-pdf-cjk-kai_gen_gothic.rb, same with asciidoctor-pdf
add lib/asciidoctor-pdf-cjk-kai_gen_gothic.rb, same with asciidoctor-pdf

chloerei/asciidoctor-pdf-cjk-kai_gen_gothic,chloerei/asciidoctor-pdf-cjk-kai_gen_gothic