Update frontend components for accessibility and functionality improvements

- Modified docker-compose.dev.yml to conditionally run npm install based on the presence of package-lock.json.
- Upgraded Nuxt version in package-lock.json from 3.21.1 to 4.3.1 for enhanced features.
- Enhanced ConfirmModal component with aria-modal attribute for better accessibility.
- Updated MapErrorBoundary component's error message for clarity.
- Added role and aria-label attributes to MapView and MapSearch components for improved screen reader support.
- Refactored various components to manage focus behavior on modal close, enhancing user experience.
- Improved ToastContainer styling for better responsiveness and visibility.
- Updated layout components to include skip navigation links for improved accessibility.

frontend-nuxt/components/map/MapControls.vue

@@ -150,7 +150,10 @@
               @jump-to-marker="$emit('jumpToMarker', $event)"
             />
           </div>
-          <div class="p-3 border-t border-base-300 shrink-0 safe-area-pb">
+          <div class="p-3 border-t border-base-300 shrink-0 safe-area-pb flex flex-col gap-2">
+            <p class="text-xs text-base-content/50 text-center">
+              <kbd class="kbd kbd-xs">?</kbd> for shortcuts
+            </p>
             <button
               type="button"
               class="btn btn-ghost btn-block touch-manipulation min-h-12"