minor change in README.md

Author: asanzdiego

README.md

@@ -242,22 +242,18 @@ BUILD_EPUB_BOOK='max'
 #### Relese 1.0
 
 - Export slides to:
-
     - reveal-slides
     - reveal-slides-pdf
     - reveal-slides-alternative
     - reveal-slides-alternative-pdf
     - beamer-slides
     - deck-slides
     - deck-slides-alternative
-
 - Export books to:
-
     - html-book
     - docx-book
     - odt-book
     - pdf-book
-
 - Added generation modes 'min', 'med' and 'max'.
 - Automatic download the external libraries.
 - Numbering (I), (II), (III) ...