docs: improve documentation of delete torrents API

shared/types/Action.ts

@@ -1,3 +1,5 @@
+import {TorrentProperties} from './Torrent';
+
 export interface AddTorrentByURLOptions {
   urls: Array<string>;
   destination: string;
@@ -14,3 +16,10 @@ export interface MoveTorrentsOptions {
   moveFiles: boolean;
   isCheckHash: boolean;
 }
+
+export interface DeleteTorrentsOptions {
+  // An array of string representing hashes of torrents to be removed
+  hashes: Array<TorrentProperties['hash']>;
+  // Whether to delete data of torrents
+  deleteData?: boolean;
+}