feat: Add SkyView logo, favicon, and branding assets - resolves #38

Created comprehensive branding package for SkyView including:

Assets Created:
- SVG logo with animated radar theme for header
- Multi-size favicon set (16px, 32px, 48px)
- High-resolution app icon (512x512) for mobile/desktop
- Aviation-themed radar design with animated aircraft blips

UI Updates:
- Updated HTML with proper favicon links and theme color
- Enhanced header layout to include logo alongside version info
- Added responsive CSS styling for new branding elements
- Logo features animated radar sweep and aircraft tracking theme

Technical Details:
- All assets use SVG format for scalability and crisp display
- Radar theme with cyan/blue color scheme matching app design
- Logo includes animated elements (radar sweep, blinking aircraft)
- Favicons optimized for different display sizes
- Added proper meta tags for mobile app integration

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

assets/static/images/favicon-16.svg

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="16" height="16" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg">
+  <!-- Simplified favicon for 16x16 -->
+  <circle cx="8" cy="8" r="7" fill="#003d52" stroke="#00d4ff" stroke-width="1"/>
+  <circle cx="8" cy="8" r="5" stroke="#00d4ff" stroke-width="0.5" fill="none" opacity="0.6"/>
+  <circle cx="8" cy="8" r="3" stroke="#00d4ff" stroke-width="0.5" fill="none" opacity="0.4"/>
+  <line x1="8" y1="8" x2="13" y2="5" stroke="#00d4ff" stroke-width="1" opacity="0.8"/>
+  <circle cx="11" cy="6" r="0.8" fill="#00ff00"/>
+  <circle cx="6" cy="10" r="0.8" fill="#00ff00"/>
+  <circle cx="8" cy="8" r="1" fill="#00d4ff"/>
+</svg>