Re-configured samples page.

src/site/samples/indexeddb_todo/index.markdown

Index: src/site/samples/indexeddb_todo/index.markdown
diff --git a/src/site/samples/indexeddb_todo/index.markdown b/src/site/samples/indexeddb_todo/index.markdown
new file mode 100644
index 0000000000000000000000000000000000000000..00dfe4f8cb7bde229998ce5f6bfcf6252f6f693c
--- /dev/null
+++ b/src/site/samples/indexeddb_todo/index.markdown
@@ -0,0 +1,19 @@
+---
+layout: default
+title: Simple todo app using IndexedDB
+live_example_url: example/index.html
+header:
+  css: ["/samples/samples.css"]
+---
+
+## {{ page.title }}
+
+Read the
+[source](https://github.com/dart-lang/dart-samples/tree/master/web/html5/indexeddb).
+
+<iframe class="running-app-frame"
+        style="height:300px;width:30%;"
+        src="{{page.live_example_url}}">
+</iframe>
+
+See all [samples](/samples/)