func Secure() vodka.MiddlewareFunc {
	return SecureWithConfig(DefaultSecureConfig)
}
Secure returns a Secure middleware.
Secure middleware provides protection against cross-site scripting (XSS) attack,
content type sniffing, clickjacking, insecure connection and other code injection
attacks.
package middleware
import (
	"fmt"
	"github.com/insionng/vodka"
)
type (
	SecureConfig struct {
		Skipper Skipper
		XSSProtection string `json:"xss_protection"`
		ContentTypeNosniff string `json:"content_type_nosniff"`
		XFrameOptions string `json:"x_frame_options"`
		HSTSMaxAge int `json:"hsts_max_age"`
		HSTSExcludeSubdomains bool `json:"hsts_exclude_subdomains"`
		ContentSecurityPolicy string `json:"content_security_policy"`
	}
)
var (
	DefaultSecureConfig = SecureConfig{
		Skipper:            defaultSkipper,
		XSSProtection:      "1; mode=block",
		ContentTypeNosniff: "nosniff",
		XFrameOptions:      "SAMEORIGIN",
	}
)