Use keyring to store exchange secrets in system store

Author: dmakarov

Cargo.lock

@@ -36,6 +36,7 @@ jup-ag = "0.7.1"
 #kraken_sdk_rest = { path = "../kraken_sdk_rust/kraken_sdk_rest" }
 kraken_sdk_rest = { git = "https://github.com/mvines/kraken_sdk_rust", rev = "80c634b3a8527f653db989689b298496dad30d4e" }
 #kraken_sdk_rest = "0.18.0"
+keyring = { version = "3", features = ["apple-native", "sync-secret-service"] }
 lazy_static = "1.4.0"
 log = "0.4.17"
 num-derive = "0.4"