feat: 메뉴 아이콘 추가 및 관련 컴포넌트 업데이트

- 새로운 메뉴 아이콘 SVG 파일 추가 (31-65, 99번)
- constant.ts, favorite-wrapper.tsx, menu/index.tsx, sub-layout 수정
- public/pub 디렉토리 추가

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

public/images/menu_icon_31.svg

@@ -0,0 +1,7 @@
+<svg width="54" height="54" viewBox="0 0 54 54" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path d="M10 17C10 14.7909 11.7909 13 14 13H40C42.2091 13 44 14.7909 44 17V38H10V17Z" fill="#E0BFFA"/>
+<rect x="9" y="36" width="36" height="5" rx="2.5" fill="#B977EB"/>
+<rect x="18" y="23" width="4" height="10" rx="2" fill="white"/>
+<rect x="25" y="26" width="4" height="7" rx="2" fill="white"/>
+<rect x="32" y="21" width="4" height="12" rx="2" fill="white"/>
+</svg>