message: Update: Page navigation with folder icons.
diff: import { BiChevronDown } from '@react-icons/all-files/bi/BiChevronDown';
  import { BiChevronRight } from '@react-icons/all-files/bi/BiChevronRight';
  +import { BiFolder } from '@react-icons/all-files/bi/BiFolder';
  +import { BiFolderOpen } from '@react-icons/all-files/bi/BiFolderOpen';
  import classnames from 'classnames';
  import React, { useMemo, useState } from 'react';
  import { Info } from '$types/oas';
  @@ -144,6 +146,9 @@ const Group: React.FC<{
  }}
  onClick={handleClick}
  >
  + <div className="flex-0 flex items-center">
  + {isOpened ? <BiFolderOpen /> : <BiFolder />}
  + </div>
  <div className="flex-1 min-w-0">{partial.group}</div>
  <div className="flex-0 flex items-center">
  {isOpened ? <BiChevronDown /> : <BiChevronRight />}
  