Add export notice at the end of the epub
Add export notice at the end of the epub

The text "Produced by wallabag with PHPePub" is the first page of any epub.

On ebooks reader, it is common (e.g. kobo) to use the first page as the cover of
unread books, which makes it more difficult to differentiate the books.

Move the Notices chapter at the end of the book.

X-dark/wallabag,egilli/wallabag,egilli/wallabag,pmichelazzo/wallabag,X-dark/wallabag,X-dark/wallabag,shtrom/wallabag,X-dark/wallabag,egilli/wallabag,X-dark/wallabag,shtrom/wallabag,wallabag/wallabag,pmichelazzo/wallabag,shtrom/wallabag,shtrom/wallabag,pmichelazzo/wallabag,egilli/wallabag,pmichelazzo/wallabag,egilli/wallabag,pmichelazzo/wallabag,shtrom/wallabag,wallabag/wallabag,wallabag/wallabag