Add password prompt functionality and tests while uploading encrypted PDF

src/js/types/index.ts

@@ -54,3 +54,4 @@ export * from './page-preview-type.ts';
 export * from './add-page-labels-type.ts';
 export * from './pdf-to-tiff-type.ts';
 export * from './pdf-to-cbz-type.ts';
+export * from './password-prompt-type.ts';

src/js/types/password-prompt-type.ts

@@ -0,0 +1,7 @@
+import type { PDFDocumentProxy } from 'pdfjs-dist';
+
+export interface LoadedPdf {
+  pdf: PDFDocumentProxy;
+  bytes: ArrayBuffer;
+  file: File;
+}