docs: add logos for new fundraising contributors
docs: add logos for new fundraising contributors
w3c/epubcheck,w3c/epubcheck,mihailim/epubcheck,w3c/epubcheck,IDPF/epubcheck,mihailim/epubcheck,IDPF/epubcheck,IDPF/epubcheck,mihailim/epubcheck,IDPF/epubcheck,mihailim/epubcheck,mihailim/epubcheck,IDPF/epubcheck