From dc18956dbf70d35d17eeef9a9234de1893329064 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andrzej=20Bro=C5=84ski?= <andrzej1_1@o2.pl>
Date: Wed, 20 Mar 2024 12:09:42 +0100
Subject: [PATCH] Add license clarification.

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/README.md b/README.md
index 27ad2274..d79dd742 100644
--- a/README.md
+++ b/README.md
@@ -80,3 +80,16 @@ To run a single check e.g. the format check, run:
 ```sh
 nix build .#checks.<system>.treefmt
 ```
+
+## License
+
+Licensed under either of
+
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.