Add image examples and rename markdown to slides.md

_template/index.html

@@ -17,8 +17,7 @@
 <div class="reveal">
   <div class="slides">
     <section data-markdown="slides.md"
-             data-separator="^\r?\n\r?\n\r?\n"
-             data-separator-vertical="^\r?\n\r?\n"
+             data-separator-vertical="^\r?\n--\r?\n$"
              data-separator-notes="^Note:"
              data-charset="utf-8">
     </section>

_template/slides.md

@@ -5,23 +5,27 @@ todo:
 - fix hot reload for md files
 - add examples for images etc.
 
+--
 
 ## Slide 2
 ### Insert images from svg
 
 ![Free privacy icon from wikimedia](img/Privacy_icon.svg "This is a vector graphic.")
 
+--
 
 ### ... and from a pixel graphic
 
 ![Free privacy icon from wikimedia](img/512px-Privacy_icon.svg.png "This is a pixel graphic made from the svg.")
 
+--
 
 ## noch eine Überschrift
 
 
 ## Slide 3
 
+---
 
 
 ## First horizontal