add docs for get/set html
add docs for get/set html

willrowe/quill,quilljs/quill,voxmedia/quill,sferoze/quilljs,willrowe/quill,sferoze/quilljs,tim-mc/quill,quilljs/quill,sferoze/quilljs,quilljs/quill,sferoze/quilljs,voxmedia/quill,voxmedia/quill,tim-mc/quill,willrowe/quill