Setup metas plugin

_config.ts

@@ -3,6 +3,7 @@ import lume from "lume/mod.ts";
 import postcss from "lume/plugins/postcss.ts";
 import prism from "lume/plugins/prism.ts";
 import basePath from "lume/plugins/base_path.ts";
+import metas from "lume/plugins/metas.ts";
 
 /**
  * Import languages
@@ -46,6 +47,13 @@ site.loadData(
 );
 site.filter("resultTable", resultTable);
 
+/**
+ * Set up the metas plugin for SEO.
+ * 
+ * See https://lume.land/plugins/metas/#installation
+ */
+site.use(metas());
+
 /**
  * The `base_path` plugin prefixes URLs in the generated site with a path derived from
  * the `location` setting confiured when the `site` object is created.

src/_data.yml

@@ -1,3 +1,10 @@
 # Set default layout for whole site
 layout: layout/page.vto
-repo: https://github.com/open-innovations/lume-expo
+repo: https://github.com/open-innovations/lume-expo
+
+# The metas data entry is used for SEO, in conjunction with the `metas` plugin 
+# https://lume.land/plugins/metas/
+metas:
+  site: OI Lume Expo
+  title: "=title"
+  description: "=description"