Drastically simplify the drafts workflow

_data/eleventyDataSchema.js

@@ -0,0 +1,13 @@
+import { z } from "zod";
+import { fromZodError } from 'zod-validation-error';
+
+export default function(data) {
+	// Draft content, validate `draft` front matter
+	let result = z.object({
+		draft: z.boolean().or(z.undefined()),
+	}).safeParse(data);
+
+	if(result.error) {
+		throw fromZodError(result.error);
+	}
+}