feat: add initial project setup with core PDF tools and utilities

- Implement core PDF manipulation tools (split, merge, convert, etc.)
- Add state management and UI utilities
- Set up build configuration with Vite and TailwindCSS
- Include essential dependencies for PDF processing
- Add gitignore and basic project configuration files

src/js/logic/remove-metadata.ts

@@ -0,0 +1,32 @@
+
+import { showLoader, hideLoader, showAlert } from '../ui.js';
+import { downloadFile } from '../utils/helpers.js';
+import { state } from '../state.js';
+
+export async function removeMetadata() {
+    showLoader('Removing all metadata...');
+    try {
+        const infoDict = state.pdfDoc.getInfoDict();
+
+        const allKeys = infoDict.keys();
+        allKeys.forEach((key: any) => {
+            infoDict.delete(key);
+        });
+
+        state.pdfDoc.setTitle('');
+        state.pdfDoc.setAuthor('');
+        state.pdfDoc.setSubject('');
+        state.pdfDoc.setKeywords([]);
+        state.pdfDoc.setCreator('');
+        state.pdfDoc.setProducer('');
+
+        const newPdfBytes = await state.pdfDoc.save();
+        downloadFile(new Blob([newPdfBytes], { type: 'application/pdf' }), 'metadata-removed.pdf');
+        
+    } catch (e) {
+        console.error(e);
+        showAlert('Error', 'An error occurred while trying to remove metadata.');
+    } finally {
+        hideLoader();
+    }
+}