resolves #830 document automatic sizing of table column with image as a limitation [skip ci]
resolves #830 document automatic sizing of table column with image as a limitation [skip ci]

dsisnero/asciidoctor-pdf,mojavelinux/asciidoctor-pdf,dsisnero/asciidoctor-pdf,mojavelinux/asciidoctor-pdf,Hextremist/asciidoctor-pdf,Hextremist/asciidoctor-pdf,asciidoctor/asciidoctor-pdf,asciidoctor/asciidoctor-pdf