🌍 Multi-Country Map Tile CDN + AI Chat

🤖 AI Chat (POST):
  POST / with JSON: { "message": "your question" }

🗺️ Map Tile Proxy (GET) - 11 Countries:
  /sweden/      - 🇸🇪 Swedish Lantmäteriet
  /norway/      - 🇳🇴 Norwegian Kartverket
  /usa/         - 🇺🇸 USGS National Map
  /spain/       - 🇪🇸 Spanish IGN
  /uk/          - 🇬🇧 UK Ordnance Survey
  /germany/     - 🇩🇪 German BKG
  /portugal/    - 🇵🇹 Portuguese DGT
  /france/      - 🇫🇷 French IGN-F
  /austria/     - 🇦🇹 Austrian basemap.at
  /switzerland/ - 🇨🇭 Swiss swisstopo
  /canada/      - 🇨🇦 Canadian NRCan

Features:
  ⚡ 300+ global edge locations
  📦 30-day caching (tiles rarely change)
  🚀 10-20x faster loading
  🔒 CORS enabled

Total maps cached: 25+ across 11 countries