License

Under the terms of the license, you are free to:

• Share: copy and redistribute the material in any medium or format
• Adapt: remix, transform, and build upon the material for any purpose, even commercially

However, you must also:

1. Give appropriate credit, by including a link back to the original sources, using the attribution link at the bottom of each page
2. Provide a link to the license:
   https://creativecommons.org/licenses/by-sa/4.0/
3. Indicate if changes were made