Make corredor calls more configurable

JWT is now sent as part of the Config prop, along with msg/sys/cmp base api URLs

This still needs to be configured through env:
 - CORREDOR_API_BASE_URL_SYSTEM
 - CORREDOR_API_BASE_URL_MESSAGING
 - CORREDOR_API_BASE_URL_COMPOSE

pkg/cli/options/corredor.go

@@ -15,7 +15,11 @@ type (
 		Log bool `env:"CORREDOR_LOG_ENABLED"`
 
 		MaxBackoffDelay time.Duration `env:"CORREDOR_MAX_BACKOFF_DELAY"`
-		Log             bool          `env:"CORREDOR_LOG_ENABLED"`
+
+		// @todo do autodiscovery & prefill these with values we know
+		ApiBaseURLSystem    string `env:"CORREDOR_API_BASE_URL_SYSTEM"`
+		ApiBaseURLMessaging string `env:"CORREDOR_API_BASE_URL_MESSAGING"`
+		ApiBaseURLCompose   string `env:"CORREDOR_API_BASE_URL_COMPOSE"`
 	}
 )