default.html in jekyll-theme-cayman-0.1.0

- old
+ new

@@ -1,9 +1,10 @@
 <!DOCTYPE html>
-<html lang="en-us">
+<html lang="{{ site.lang | default: "en-US" }}">
   <head>
     <meta charset="UTF-8">
-    <title>{{ page.title | default: site.title }}</title>
+
+{% seo %}
     <meta name="description" content="{{ page.description | default: site.description | default: site.github.project_tagline }}"/>
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <meta name="theme-color" content="#157878">
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700' rel='stylesheet' type='text/css'>
     <link rel="stylesheet" href="{{ '/assets/css/style.css?v=' | append: site.github.build_revision | relative_url }}">