feat(folders): 添加公开文件夹和收藏功能

- 新增文件夹可见性控制（公开/私有）
- 添加公开文件夹浏览和搜索
- 实现文件夹收藏功能
- 新增 FolderFavorite 数据模型
- 更新 Prisma 至 7.4.2
- 添加相关 i18n 翻译

src/shared/folder-type.ts

@@ -2,12 +2,14 @@ export type TSharedFolder = {
     id: number,
     name: string,
     userId: string;
+    visibility: "PRIVATE" | "PUBLIC";
 };
 
 export type TSharedFolderWithTotalPairs = {
     id: number,
     name: string,
     userId: string,
+    visibility: "PRIVATE" | "PUBLIC";
     total: number;
 };
 
@@ -20,4 +22,16 @@ export type TSharedPair = {
     ipa2: string | null;
     id: number;
     folderId: number;
+};
+
+export type TPublicFolder = {
+    id: number;
+    name: string;
+    visibility: "PRIVATE" | "PUBLIC";
+    createdAt: Date;
+    userId: string;
+    userName: string | null;
+    userUsername: string | null;
+    totalPairs: number;
+    favoriteCount: number;
 };