Add post around archiving Firefish posts, as well as Draft tags for posts

config/collections/index.js

@@ -1,5 +1,7 @@
 const tags = require('./tags');
+const posts = require('./posts');
 
 module.exports = function(eleventyConfig) {
     eleventyConfig.addPlugin(tags);
+    eleventyConfig.addPlugin(posts);
 }