Add createLicenses.js mongodb script

scripts/mongodb/createLicenses.js

@@ -0,0 +1,31 @@
+// Create 100 long-lasting licenses for a given user
+
+// Usage
+// ---------------
+// In mongo shell
+//
+// > createLicenses('<user id string>');
+
+var createLicenses = function updatePrepaid(userStringID) {
+  try {
+    var userID = ObjectId(userStringID);
+  }
+  catch (e) {
+    print('Invalid ObjectId string given:', userStringID, e);
+    return;
+  }
+
+  var user = db.users.findOne({_id: userID});
+  if (!user) {
+    print('User not found');
+    return;
+  }
+
+  db.prepaids.save({
+    maxRedeemers: 100,
+    startDate: "2000-01-01T00:00:00.000Z",
+    endDate: "3000-01-01T00:00:00.000Z",
+    type: 'course',
+    creator: userID
+  })
+};