Move all files to zet-old/

source/zets.json.twig

@@ -1,16 +0,0 @@
----
-permalink: /notes.json
-use: [zets]
----
-
-[
-  {% for note in data.zets|sort((a,b) => b.date <=> a.date) %}
-    {
-      "id": {{ note.filename|replace({".md": ""}) }},
-      "date": {{ note.date }},
-      "title": "{{ note.title }}",
-      "url": "{{ site.url }}/{{ note.url|trim("/") }}"
-    }
-    {%~ if not loop.last %},{% endif %}
-  {% endfor %}
-]