Changed the project License

[Frichetten]

In response to the plagiarism incident we experienced a few months ago, I am changing the license from MIT to a modified CC BY-NC-SA 4.0 license. This has the following effects:

You are free to:

    Share — copy and redistribute the material in any medium or format
    Adapt — remix, transform, and build upon the material

    The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

    Attribution — You must give [appropriate credit](https://creativecommons.org/licenses/by-nc-sa/4.0/#), provide a link to the license, and [indicate if changes were made](https://creativecommons.org/licenses/by-nc-sa/4.0/#). You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

    NonCommercial — You may not use the material for [commercial purposes](https://creativecommons.org/licenses/by-nc-sa/4.0/#).

    ShareAlike — If you remix, transform, or build upon the material, you must distribute your contributions under the [same license](https://creativecommons.org/licenses/by-nc-sa/4.0/#) as the original.

This ensures that is anyone were to steal our content, they would be required to provide attribution. Additionally, this would prevent them from profiting off the project due to the NonCommercial clause. With the incident we had, I was primarily frustrated that someone would attempt to make money off of contributions to Hacking the Cloud. I'm hoping that this license can help prevent that in the future.

Additionally, It is worth noting that this license has been modified to provide an exception to myself (or whoever owns the Hacking the Cloud git repo) to the NonCommercial clause. I did this with the intention of having the option for Hacking the Cloud to have sponsorships in the future. To be clear, Hacking the Cloud will always be a free and open source project for anyone. However, the opportunities for sponsorships may help the project grow and provide different types of content (for example, video). This exceptions makes it possible for me to accept/raise funds for this purpose.

This will also help cover the costs associated with the project (Domain fee, Material for MKDocs license, etc.) as well as fund future ones.