Added delete

src/manager.js

@@ -86,6 +86,12 @@ export class ZimManager {
 		return zimCatalog(search, opts);
 	}
 
+	async delete(fileOrName) {
+		const file = await this.#resolveFile(fileOrName);
+		await fs.promises.unlink(file);
+		return {file, status: 'deleted'};
+	}
+
 	/** Checks whether a local ZIM has a newer version in the catalog, without downloading. */
 	async isOutdated(file) {
 		const meta = await this.#readMeta(file);