added an option to define the cover image for the epub.
if the image is not used in the document, it will be included.
this is also backward compatible with epub2
this PR replaces #110
This open source contribution to the tei-publisher-app project was commissioned by the Office of the Historian, U.S. Department of State, https://history.state.gov/.
added an option to define the cover image for the epub. if the image is not used in the document, it will be included. this is also backward compatible with epub2
this PR replaces #110
This open source contribution to the tei-publisher-app project was commissioned by the Office of the Historian, U.S. Department of State, https://history.state.gov/.