Add LICENSE.md file with a disclaimer about borrowed IP because we don't own "Star Trek"

[elight]

See LICENSE.md on the Music Replacement mod as an example. Seems important to do just in case anyone Paramount gets wind of our work. I've not sure I've ever seen them shutdown a game mod, even those that borrow IP, but just in case.

[elight]

@kurim @Ne-X-uS @Sparky848 Seems important to get everyone's input on this.