add production profile

Author: renauter

substrate-node/Cargo.toml

@@ -131,3 +131,6 @@ sp-timestamp = {git = "https://github.com/paritytech/substrate", branch = "polka
 substrate-build-script-utils = {git = "https://github.com/paritytech/substrate", branch = "polkadot-v1.0.0"}
 substrate-frame-rpc-system = {git = "https://github.com/paritytech/substrate", branch = "polkadot-v1.0.0"}
 substrate-prometheus-endpoint = {git = "https://github.com/paritytech/substrate", branch = "polkadot-v1.0.0"}
+
+[profile.production]
+inherits = "release"