feat(api,web): support CBZ — scan, métadonnées, lecteur d'albums

- api: cbz utilitaire commun, scanner/métadonnées (+ tests), books, schéma et migrations
- web: CbzReader, ReaderPage/locators (+ tests), types et client API
- shared: types formats

Refs: #16

apps/api/src/books/books.controller.ts

@@ -26,6 +26,19 @@ export class BooksController {
     return this.books.get(Number(id));
   }
 
+  @Get(":id/pages")
+  pages(@Param("id") id: string) {
+    return this.books.listCbzPages(Number(id));
+  }
+
+  @Get(":id/pages/:page")
+  page(@Param("id") id: string, @Param("page") page: string, @Res() reply: FastifyReply) {
+    const result = this.books.readCbzPage(Number(id), Number(page));
+    reply.header("Content-Type", result.contentType);
+    reply.header("Cache-Control", "private, max-age=3600");
+    return reply.send(result.data);
+  }
+
   @Get(":id/file")
   file(@Param("id") id: string, @Res() reply: FastifyReply) {
     const { book, stream } = this.books.streamFile(Number(id));