fix: url 수정

Author: devyejin

frontend/src/components/share-link/ShareLink.jsx

@@ -28,7 +28,7 @@ export default function ShareLink({ timepaperId }) {
       content: {
         title: '친구에게서 타임페이퍼가 왔어요💕',
         description: '',
-        imageUrl: `https://43.201.24.13.sslip.io/assets/timepaperLogo-0WzOUFBd.png`,
+        imageUrl: `${BASE_URL}/assets/timepaperLogo-0WzOUFBd.png`,
         link: {
           mobileWebUrl: realUrl,
           webUrl: realUrl,