fix: catalogue and tag pages not working

src/tag.html

@@ -0,0 +1,17 @@
+---
+layout: "layouts/base"
+pagination:
+    data: collections.postsByTag
+    size: 1
+    alias: tag
+    filter:
+        - post
+permalink: /tags/{{ tag | slugify }}/index.html
+---
+
+<h1>Tag: {{ tag }}</h1>
+<p>
+    All posts tagged with "{{ tag }}", or go back to <a href="/tags">all tags</a>.
+</p>
+{% set items = collections.postsByTag[ tag ] %}
+{% include "partials/archive.html" %}