Readme contribution guidelines: reference to Serde
Currently the contribution guidelines at the bottom of README.md mention Serde,
but I think they should instead refer to this crate.
@@ -601,5 +601,5 @@ at your option.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
-for inclusion in Serde by you, as defined in the Apache-2.0 license, shall be
+for inclusion in `futures-await` by you, as defined in the Apache-2.0 license, shall be
dual licensed as above, without any additional terms or conditions.
