chore: added readme link to score-compose

Signed-off-by: Ben Meier <[email protected]>

Author: astromechza

README.md

@@ -96,3 +96,4 @@ make check_compose_spec
 * [testcontainers-go's Compose module](https://github.com/testcontainers/testcontainers-go/tree/main/modules/compose)
 * [compose2nix](https://github.com/aksiksi/compose2nix)
 * [Defang](https://github.com/DefangLabs/defang)
+* [score-compose](https://github.com/score-spec/score-compose)