Add key subcommand (#1874)

polkadot/cli/src/cli.rs

@@ -52,6 +52,9 @@ pub enum Subcommand {
 		about = "Benchmark runtime pallets."
 	)]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
+
+	/// Key management cli utilities
+	Key(sc_cli::KeySubcommand),
 }
 
 #[allow(missing_docs)]

polkadot/cli/src/command.rs

@@ -236,5 +236,6 @@ pub fn run() -> Result<()> {
 				cmd.run::<service::kusama_runtime::Block, service::KusamaExecutor>(config)
 			})
 		},
+		Some(Subcommand::Key(cmd)) => cmd.run(),
 	}
 }