content.opf is not referencing the images files. maybe if I could add the lines by hand
toc.ncx does not exist as well :
<?xml version='1.0' encoding='utf-8'?>
<package xmlns="http://www.idpf.org/2007/opf" version="2.0" unique-identifier="uuid_id">
<opf:metadata xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns
pf="http://www.idpf.org/2007/opf" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:calibre="http://calibre.kovidgoyal.net/2009/metadata" xmlns:dc="http://purl.org/dc/elements/1.1/">
<dc:identifier id="uuid_id" opf:scheme="uuid">514f36fe-282c-4e97-890f-5b2a483a3bd1</dc:identifier>
<dc:title>Unknown</dc:title>
<dc:language>en_GB</dc:language>
<dc:creator>Unknown</dc:creator>
</opf:metadata>
<manifest>
<item href="index.html" id="added" media-type="application/xhtml+xml"/>
<item href="electronique.html" id="html" media-type="application/xhtml+xml"/>
<item href="toc.ncx" media-type="application/x-dtbncx+xml" id="ncx"/>
</manifest>
<spine toc="ncx">
<itemref idref="html"/>
</spine>
<guide/>
</package>
reup