mirage: Add version-download factory

Author: Turbo87

mirage/factories/version-download.js

@@ -0,0 +1,8 @@
+import { Factory } from 'ember-cli-mirage';
+
+export default Factory.extend({
+  // version
+
+  date: '2019-05-21',
+  downloads: i => (((i * 42) % 13) + 4) * 2345,
+});