text: from flask import Blueprint, render_template
  from flask_login import login_required
  
  blueprint = Blueprint(
      'additional_blueprint',
      __name__,
      url_prefix='/additional',
      template_folder='templates',
      static_folder='static'
  )
  
  
  @blueprint.route('/<template>')
  @login_required
  def route_template(template):
      return render_template(template + '.html')
  