Refactor Docker setup and enhance development environment

- Updated docker-compose.dev.yml to use Dockerfile.dev for backend builds and added HOST environment variable for frontend.
- Introduced Dockerfile.dev for streamlined backend development with Go.
- Enhanced development documentation to reflect changes in local setup and API proxying.
- Removed outdated frontend Dockerfile and adjusted frontend configuration for improved development experience.

frontend-nuxt/composables/useMapLogic.ts

@@ -101,6 +101,7 @@ export function useMapLogic() {
   }
 
   function openTileContextMenu(clientX: number, clientY: number, coords: { x: number; y: number }) {
+    closeContextMenus()
     contextMenu.tile.show = true
     contextMenu.tile.x = clientX
     contextMenu.tile.y = clientY
@@ -108,6 +109,7 @@ export function useMapLogic() {
   }
 
   function openMarkerContextMenu(clientX: number, clientY: number, id: number, name: string) {
+    closeContextMenus()
     contextMenu.marker.show = true
     contextMenu.marker.x = clientX
     contextMenu.marker.y = clientY