refactor(server/utils): create gridfs bucket for draft contents

lib/server/storyHelpers/getDraftBucket.ts

@@ -0,0 +1,9 @@
+import { GridFSBucket } from "mongodb";
+import mongoose from "mongoose";
+
+export default function () {
+	// @ts-ignore SHUT UP MEG
+	return new GridFSBucket(mongoose.connection.db, {
+		bucketName: "draft_text",
+	});
+}