Add generated Webpack Assets file

This file is generated by Webpack and writes the names of our hashed assets

Signed-off-by: budparr <budparr@gmail.com>

data/webpack_assets.json

@@ -0,0 +1,6 @@
+{
+  "app": {
+    "js": "js/app.3fc0f988d21662902933.js",
+    "css": "css/app.ab4b67a3ea25990fa8279f3b7ef08b61.css"
+  }
+}

layouts/partials/site-scripts.html

@@ -1,6 +1,4 @@
-{{ $css_path := $.Param "dev.js_path" | default "themes/gohugo-theme-ananke/static/dist/js" }}
-{{ with $css_path }}
-  {{ range readDir . }}
-    <link href='/dist/js/{{ .Name }}' rel='stylesheet' type="text/css" data-turbolinks-track="reload" />
-  {{ end }}
+{{ $script := .Site.Data.webpack_assets.app }}
+{{ with $script.js }}
+  <script src="{{ printf "%s%s" "/dist/" . }}"></script>
 {{ end }}