Add redir_url config option and enforce admin password to start

# String: URL shown when finished generating shortlinks. Include the / at the end.

# If not set, it is automatically taken from the URL the shorten request is sent to.

# If you don't know, leave unset

# Default: unset

site_url:

# String: URL to redirect to when link not found. Useful if using a reverse proxy with a subdomain for liteshort

# If not set, it is automatically taken from the base URL

# If you don't know, leave unset

# Default: unset

redir_url:

# Boolean: Show link to project repository on GitHub at bottom right corner of page

# Default: true

show_github_link: true

    req_options = {'admin_username': 'admin', 'database_name': "urls", 'random_length': 4,

                   'allowed_chars': 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_',

                   'random_gen_timeout': 5, 'site_name': 'liteshort', 'site_url': None, 'show_github_link': True,

                   'secret_key': None, 'disable_api': False

                   'secret_key': None, 'disable_api': False, 'redir_url': None

                   }

    config_types = {'admin_username': str, 'database_name': str, 'random_length': int,

                    'allowed_chars': str, 'random_gen_timeout': int, 'site_name': str,

                    'site_url': (str, type(None)), 'show_github_link': bool, 'secret_key': str,

                    'disable_api': bool

                    'disable_api': bool, 'redir_url': (str, type(None))

                    }

    for option in req_options.keys():

            if not matches:

                raise TypeError(option + " is incorrect type")

    if not new_config['disable_api']:

        if 'admin_hashed_password' in new_config.keys():  # Sets config value to see if bcrypt is required to check password

        if 'admin_hashed_password' in new_config.keys() and new_config['admin_hashed_password']:

            new_config['password_hashed'] = True

        elif 'admin_password' in new_config.keys():

        elif 'admin_password' in new_config.keys() and new_config['admin_password']:

            new_config['password_hashed'] = False

        else:

            raise TypeError('admin_password or admin_hashed_password must be set in config.yml')

    if long:

        return redirect(long, 301)

    flash('Short URL "' + url + '" doesn\'t exist', 'error')

    return redirect(url_for('main'))

    redirect_site = (current_app.config['redir_url'] or url_for('main'))

    return redirect(redirect_site)

@app.route('/', methods=['POST'])