message: fixed readme location
diff: @@ -7,7 +7,7 @@ description = "Async Cassandra DB driver written in Rust"
  documentation = "https://docs.rs/cdrs-tokio"
  homepage = "https://github.com/krojew/cdrs-tokio"
  repository = "https://github.com/krojew/cdrs-tokio"
  -readme = "./README.md"
  +readme = "../README.md"
  keywords = ["cassandra", "driver", "client", "cassandradb", "async"]
  license = "MIT/Apache-2.0"
  