add markdown
diff --git a/_layouts/plain.html b/_layouts/plain.html
new file mode 100644
index 0000000..0cc0264
--- /dev/null
+++ b/_layouts/plain.html
@@ -0,0 +1,9 @@
+---
+layout: default
+---
+<div class="row">
+<div class="col-md-8 col-centered">
+<h2>{{ page.title }}</h2>
+{{content}}
+</div>
+</div>