Removes kindlerb logic
Adds template for epub generator
Renames the kindle dir to /epub
Adds epub module to generator and replaces kindle
Fixes mimetype
Creates basic epub book
Deletes old kindle module
Adds zip package
Updates rubyzip gem name
Removes now unused gepub gem
Adds the required container file for epubs
Fixes media type
Adds new epub generation logic
Removes all buttons from output html
Refactors and generates valid epub files
Removes frontmatter logic used for kindlegen
Filters out epub files in zip
Updates link to kindle doc on sidebar
Fixes rubocop issues
Adds deprecation warning for the old kindle task
Refactors and cleans up epub module
Cleans up epub code
Cleans up private internal method code style
Removes unnecessary imagemagick check