text: export const FONT_FAMILY = "Roboto, Arial, Helvetica, sans-serif";
  export const VALID_USERNAMES = [
    "standard_user",
    "locked_out_user",
    "problem_user",
    "performance_glitch_user",
  ];
  export const VALID_PASSWORD = "secret_coffee";
  export const ROUTES = {
    LOGIN: "/",
    INVENTORY: "/inventory.html",
    INVENTORY_LIST: "/inventory-item.html",
    CART: "/cart.html",
    CHECKOUT_STEP_ONE: "/checkout-step-one.html",
    CHECKOUT_STEP_TWO: "/checkout-step-two.html",
    CHECKOUT_COMPLETE: "/checkout-complete.html",
  };
  export const CART_CONTENTS = "cart-contents";
  export const SESSION_USERNAME = "session-username";
  