License:

1. Share — copy and redistribute the material in any medium or format for any purpose, even commercially.
2. Adapt — remix, transform, and build upon the material for any purpose, even commercially.
3. The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

1. Attribution — You must give appropriate credit , provide a link to the license, and indicate if changes were made . You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
2. No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.

This work is licensed under CC BY 4.0. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/