refactor(file-handler): replace innerHTML with DOM methods for safer rendering

refactor(form-filler): improve form field creation with DOM methods
refactor(compare-pdfs): use textContent instead of innerHTML
refactor(duplicate-organize): replace innerHTML with DOM methods
style(main): remove commented start app line
feat(config): add pdf-tools config file with tool categories

src/js/main.ts

@@ -115,5 +115,4 @@ const init = () => {
     console.log('Please share our tool and share the love!');
 };
 
-// --- START THE APP ---
 document.addEventListener('DOMContentLoaded', init);