feat(pdf-tools): add linearize pdf tool for web optimization

Add new linearize PDF tool that optimizes PDFs for fast web viewing using qpdf-wasm. Includes UI components, logic implementation, and test updates. The tool processes multiple PDFs and downloads them in a ZIP archive.

src/tests/pdf-tools.test.ts

@@ -61,7 +61,7 @@ describe('Tool Configuration Arrays', () => {
     });
 
     it('should have the correct number of tools', () => {
-      expect(multiFileTools).toHaveLength(11);
+      expect(multiFileTools).toHaveLength(12);
     });
 
     it('should not contain any duplicate tools', () => {