v1.1 release

In addition, this version supports password verification, and the password is transmitted through encryption to ensure data security.

simpleotp_go --help
  -cookie string
        cookie name
  -login-stop int
        frequency of login, default 2 seconds
  -max-age int
        max age for cookie and jwt, default 1800 seconds
  -password string
        password for secret hash
  -port int
        listen port default 8000
  -secret string
        TOTP secret key

Configurations are also loaded from env.

1. TOTP_SECRET
2. COOKIE_NAME
3. PORT
4. MAX_AGE
5. LOGIN_STOP
6. PASSWORD