This commit adds missing (HTML) format tags to improve metadata accuracy for JavaScript books that are web-only HTML resources.
Books updated:
1. Bible of JS - Added (PDF) format tag
2. DOM Enlightenment - Added (HTML) format tag
3. Essential Javascript - Added (HTML) format tag
4. JavaScript For Beginners - Added (HTML) format tag
5. JavaScript Fundamentals - Removed author (already in other entry)
6. Javascript Tutorial - Added (HTML) format tag
7. Modern JavaScript - Added (HTML) format tag
8. Speaking JavaScript - Added (HTML) format tag
9. The JavaScript Way - Added (HTML) format tag
Also improved format consistency:
- Building Front-End Web Apps: (HTML,PDF) → (HTML, PDF)
- Designing Scalable JavaScript: (PDF+livebook) → (PDF, livebook)
- JavaScript ES6: (PDF, epub) → (PDF, EPUB)
- Standard ECMA-262: (HTML,PDF) → (HTML, PDF)
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