stb_dxt rust bindings

License

Bindings licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT License (Expat) (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

stb_dxt licensed under either of

• MIT License (Expat) (http://opensource.org/licenses/MIT)
• Public Domain (www.unlicense.org)

at your option.