feat: Add Docker config, Gitea workflow, and map improvements

- Add Dockerfile, nginx.conf, docker-compose.yml
- Add Gitea Actions workflow
- Improve map mobile UX (safe area, no pull-to-refresh)
- Persist map state (zoom, center, layer) to localStorage
- Add Google Hybrid map layer
- Configure Vite for Cloudflare tunnel

vite.config.js

@@ -4,4 +4,13 @@ import vue from '@vitejs/plugin-vue'
 // https://vite.dev/config/
 export default defineConfig({
   plugins: [vue()],
+  server: {
+    host: true,
+    allowedHosts: true,
+    headers: {
+      'Cache-Control': 'no-store, no-cache, must-revalidate, proxy-revalidate',
+      'Pragma': 'no-cache',
+      'Expires': '0',
+    }
+  }
 })