Publish subkey (#14738)

* Publish subkey

* Add description to subkey

substrate/bin/utils/subkey/Cargo.toml

@@ -2,12 +2,12 @@
 name = "subkey"
 version = "3.0.0"
 authors = ["Parity Technologies <admin@parity.io>"]
+description = "Generate and restore keys for Substrate based chains such as Polkadot, Kusama and a growing number of parachains and Substrate based projects."
 edition = "2021"
 license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 homepage = "https://substrate.io"
 repository = "https://github.com/paritytech/substrate/"
 readme = "README.md"
-publish = false
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]