First work on actual site contents.

docs/.eleventy.js

@@ -1,3 +1,4 @@
+const HighlightJS = require('highlight.js')
 const EleventyVitePlugin = require('@11ty/eleventy-plugin-vite')
 const { useDocument } = require('@terrace/js/document')
 const { createFileReader } = require('@terrace/js/readers/node-readline')
@@ -15,12 +16,27 @@ module.exports = function (config) {
     async compile(content) {
       return async () => content
     },
-    async getData(inputPath) {
+    getData(inputPath) {
       const doc = useDocument(createFileReader(inputPath))
-      return await parsePage(doc)
+      return parsePage(doc)
     }
   })
 
+  HighlightJS.registerLanguage('terrace', () => ({
+    name: 'Terrace',
+    contains: [
+      {
+        className: 'keyword',
+        begin: /^\s*(.*?)(?:\s|$)/,
+        relevance: 1
+      }
+    ]
+  }))
+
+  config.addFilter("highlight", function(value, language) {
+    return HighlightJS.highlight(value, { language }).value
+  })
+
   return {
     dir: {
       input: 'src',