License annotation for benchmarks

benches/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "benches"
 version = "0.0.1"
-authors = ["Ryohei Machida <orcinus4627@gmail.com>"]
+authors = ["Dirkjan Ochtman <dirkjan@ochtman.nl>", "Ryohei Machida <orcinus4627@gmail.com>"]
 edition = "2018"
 publish = false
 

benches/README.md

@@ -33,3 +33,8 @@ $ cargo bench
 - Teams
 
 ![Teams](./teams.png)
+
+## License
+
+This benchmark code is distributed under the special permission granted by [Dirkjan Ochtman](https://github.com/djc) (See [this issue](https://github.com/djc/template-benchmarks-rs/issues/26)).
+**You cannot modify or redistribute the code without a explicit permission**.