Add license note to README

Author: talex5

README.md

@@ -1,6 +1,6 @@
 # ocaml-uring -- bindings to Linux io_uring
 
-These are OCaml bindings for the Linux [io_uring][] stack
+These are OCaml bindings for the Linux [io_uring][liburing] stack
 (an alternative to using syscalls such as `select` or `epoll`).
 
 The [Eio][] library provides a higher-level effects-based API
@@ -16,5 +16,11 @@ To use the library directly:
 
 The `tests` directory contains some examples.
 
-[io_uring]: https://github.com/axboe/liburing
+## License
+
+This library is released under the ISC license (see [LICENSE.md](./LICENSE.md)),
+but note that the repository also vendors [liburing][] -
+see [vendor/liburing/README](./vendor/liburing/README).
+
+[liburing]: https://github.com/axboe/liburing
 [Eio]: https://github.com/ocaml-multicore/eio

dune-project

@@ -3,7 +3,7 @@
 (generate_opam_files true)
 (formatting disabled)
 (source (github ocaml-multicore/ocaml-uring))
-(license ISC)
+(license "(ISC AND MIT)")
 (authors "Anil Madhavapeddy" "Sadiq Jaffer" "Thomas Leonard")
 (maintainers "[email protected]")
 (package

uring.opam

@@ -5,7 +5,7 @@ description:
   "Bindings to the Linux io_uring kernel IO interfaces. See https://github.com/ocaml-multicore/eio for a higher-level API using this."
 maintainer: ["[email protected]"]
 authors: ["Anil Madhavapeddy" "Sadiq Jaffer" "Thomas Leonard"]
-license: "ISC"
+license: "(ISC AND MIT)"
 homepage: "https://github.com/ocaml-multicore/ocaml-uring"
 bug-reports: "https://github.com/ocaml-multicore/ocaml-uring/issues"
 depends: [