add compose2nix to README

Signed-off-by: Assil Ksiksi <[email protected]>

Author: aksiksi

README.md

@@ -94,3 +94,4 @@ make check_compose_spec
 * [kompose](https://github.com/kubernetes/kompose)
 * [kurtosis](https://github.com/kurtosis-tech/kurtosis/)
 * [testcontainers-go's Compose module](https://github.com/testcontainers/testcontainers-go/tree/main/modules/compose)
+* [compose2nix](https://github.com/aksiksi/compose2nix)