Fill Cargo with meta info

Author: kpp

Cargo.toml

@@ -2,6 +2,12 @@
 name = "futures-async-combinators"
 version = "0.1.0"
 authors = ["Roman Proskuryakov <humbug@deeptown.org>"]
+description = "toy futures combinators"
+license = "MIT"
+readme = "README.md"
+homepage = "https://github.com/kpp/futures-async-combinators"
+repository = "https://github.com/kpp/futures-async-combinators"
+keywords = ["async", "await", "futures"]
 edition = "2018"
 
 [dependencies]