Link to examples, remove link to index, add vertical-align to code elements

_data/links.yml

@@ -45,8 +45,5 @@
 
 - hr: true
 
-- title: Index
-  link:  book_index.html
-
 - title: Lua Modding API Reference
   link:  lua_api.html

_includes/header.html

@@ -21,6 +21,7 @@
 			{% assign hr = false %}
 			{% endif %}
 			{% endfor %}
+			<li><a href="https://github.com/rubenwardy/minetest_modding_book/archive/examples.zip">Download Examples</a><li>
 			<li><a id="printable">Printable Version</a><li>
 		</ul>
 		<div id="page">

static/style.scss

@@ -134,6 +134,7 @@ code {
 	max-width: 95%;
 	overflow-x: auto;
 	font-size: 14px;
+	vertical-align: middle;
 }
 
 .header-link {