legal: adds MIT and Apache-2.0 licenses

Author: claymcleod

README.md

@@ -22,11 +22,12 @@ cargo run -- server
 # open <local-address>/docs
 ```
 
-## Legal
+## License and Legal
 
-Please see [the disclaimer](https://github.com/stjude-rust-labs#disclaimer) that
-applies to all crates and command line tools made available by St. Jude Rust
-Labs.
+This project is licensed as either [Apache 2.0][license-apache] or [MIT][license-mit] at
+your discretion. Additionally, please see
+[the disclaimer](https://github.com/stjude-rust-labs#disclaimer) that applies to all
+crates and command line tools made available by St. Jude Rust Labs.
 
 [GitHub Codespaces]: https://github.com/features/codespaces
 [Visual Studio Code]: https://code.visualstudio.com/