[PATCH] 改进客户端不安全模式

type Config struct {

• AuthToken string toml:"auth_token"
• AuthType string toml:"auth_type"
• Backend string toml:"backend"
• BasicAuth bool toml:"basic_auth"
• ClientCaKeys string toml:"client_cakeys"
• ClientCert string toml:"client_cert"
• ClientKey string toml:"client_key"
• ClientInsecure bool toml:"client_insecure"
• BackendNodes util.Nodes toml:"nodes"
• Password string toml:"password"
• Scheme string toml:"scheme"
• Table string toml:"table"
• Separator string toml:"separator"
• Username string toml:"username"
• AppID string toml:"app_id"
• UserID string toml:"user_id"
• RoleID string toml:"role_id"
• SecretID string toml:"secret_id"
• YAMLFile ...