Add shortcodes for customizing slides, markdown, HTML

layouts/partials/slides.html

@@ -0,0 +1,22 @@
+<div class="reveal">
+  <!-- Any section element inside of this container is displayed as a slide -->
+  <div class="slides">
+    <!-- Use the array of pages passed as a param -->
+    {{ range . -}}
+    <!-- Don't process empty content files -->
+      {{- if ne (len .Content) 0 -}}
+        <!-- Split the processed content by <hr /> tag -->
+        {{- range (split .Content "<hr />") -}}
+          <!-- Only wrap in <section> tag if not already wrapped by shortcode -->
+          {{- if in . "data-noprocess" -}}
+            {{- . | safeHTML -}}
+          {{- else -}}
+            <section>
+              {{ . | safeHTML }}
+            </section>
+          {{ end -}}
+        {{- end -}}
+      {{- end -}}
+    {{- end }}
+  </div>
+</div>