Add Open Source LICENSE

[TheBoatyMcBoatFace]

Introduced the AGPL-3.0 license, an OSI-approved open source license, to the repository. This license promotes transparency as any derivative work or changes made when the software is run on a server must also be open source under the same license.

Resources

• Choose A License

• OSI License Info

• My thoughts, general, not repo targeted, on having Github licenses.