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/skyview-favicon.svg

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<svg width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg">
+  <defs>
+    <linearGradient id="radarBg" x1="0%" y1="0%" x2="100%" y2="100%">
+      <stop offset="0%" style="stop-color:#001a26;stop-opacity:1" />
+      <stop offset="100%" style="stop-color:#003d52;stop-opacity:1" />
+    </linearGradient>
+  </defs>
+  
+  <!-- Background circle -->
+  <circle cx="16" cy="16" r="15" fill="url(#radarBg)" stroke="#00d4ff" stroke-width="1"/>
+  
+  <!-- Radar circles -->
+  <circle cx="16" cy="16" r="12" stroke="#00d4ff" stroke-width="1" fill="none" opacity="0.4"/>
+  <circle cx="16" cy="16" r="8" stroke="#00d4ff" stroke-width="0.8" fill="none" opacity="0.5"/>
+  <circle cx="16" cy="16" r="4" stroke="#00d4ff" stroke-width="0.6" fill="none" opacity="0.6"/>
+  
+  <!-- Radar sweep line -->
+  <line x1="16" y1="16" x2="26" y2="10" stroke="#00d4ff" stroke-width="1.5" opacity="0.8"/>
+  
+  <!-- Cross hairs -->
+  <line x1="16" y1="4" x2="16" y2="28" stroke="#00d4ff" stroke-width="0.5" opacity="0.3"/>
+  <line x1="4" y1="16" x2="28" y2="16" stroke="#00d4ff" stroke-width="0.5" opacity="0.3"/>
+  
+  <!-- Aircraft blips -->
+  <circle cx="22" cy="12" r="1" fill="#00ff00" opacity="0.9"/>
+  <circle cx="12" cy="20" r="1" fill="#00ff00" opacity="0.7"/>
+  <circle cx="20" cy="22" r="1" fill="#00ff00" opacity="0.8"/>
+  
+  <!-- Center dot -->
+  <circle cx="16" cy="16" r="1.5" fill="#00d4ff"/>
+</svg>