Allow preload types to be used in frontend

src/main_types.ts

@@ -1,3 +1,12 @@
 export * from './constants';
 export type { DownloadManager, Download, DownloadState } from './models/DownloadManager';
-export type { ElectronAPI } from './preload';
+export type {
+  ElectronAPI,
+  ElectronContextMenuOptions,
+  InstallOptions,
+  GpuType,
+  TorchDeviceType,
+  PathValidationResult,
+  SystemPaths,
+  DownloadProgressUpdate,
+} from './preload';