Added Key in subcommand (#651)

* Added Key in subcommand

* Update command.rs

Co-authored-by: Ayush <>

cumulus/polkadot-parachains/src/cli.rs

@@ -54,6 +54,9 @@ pub enum Subcommand {
 	/// The custom benchmark subcommmand benchmarking runtime pallets.
 	#[structopt(name = "benchmark", about = "Benchmark runtime pallets.")]
 	Benchmark(frame_benchmarking_cli::BenchmarkCmd),
+
+	/// Key management CLI utilities
+	Key(sc_cli::KeySubcommand),
 }
 
 /// Command for exporting the genesis state of the parachain