Visitor counter pattern changed

[vimal-java-dev]

• Glassmorphism card + soft glow
• Subtle hover/press interactions
• Animated number “pop” and optional count-up
• Auto dark-mode + reduced-motion friendly
• Robust Firestore increment that works even if the doc doesn’t exist yet

[vimal-java-dev]

A visitor counter is added with a theme switcher.

[vimal-java-dev]

PR #39 merged and closed.