Created the "bought items" model / schema

models/BoughtItem.js

@@ -0,0 +1,14 @@
+const mongoose = require('mongoose');
+
+const BoughtItemSchema = new mongoose.Schema({
+    user_id: { // The id of the user that bought the addon
+        type: mongoose.mongo.ObjectId,
+        required: true
+    },
+    addon_id: { // The id of the addon the user bought
+        type: mongoose.mongo.ObjectId,
+        required: true
+    }
+});
+
+module.exports = mongoose.model('bought_items', BoughtItemSchema);