[FEATURE] feature-gates via minikube config set

Author: RA489

cmd/minikube/cmd/config/config.go

@@ -49,6 +49,11 @@ var settings = []Setting{
 		validations: []setFn{IsValidDriver},
 		callbacks:   []setFn{RequiresRestartMsg},
 	},
+	{
+		name:      "feature-gates",
+		set:       SetString,
+		callbacks: []setFn{RequiresRestartMsg},
+	},
 	{
 		name:        "v",
 		set:         SetInt,