JVD-v.2.0

✨ Features
Added support for downloading from:

• YouTube (video+audio, video only, audio only, YT Music)
• Instagram, TikTok

✔ Automatic creation of download folder:

• ~/Downloads/JavaVideoDownloader
• Download thumbnails with a dedicated button 🖼.
• Format selection via dropdown (Video+Audio, Video only, Audio only).
• Integrated progress bar with real-time status updates.

🎨 UI/UX Improvements:

• Added FlatLightLaf for a modern look & feel.

🛠 Known Issues

• X.com (Twitter) downloads are unstable → videos may show glitches/artifacts.
  (⚠️ temporarily disabled in format selector, will be revisited later).