text: import { h, app } from "hyperapp"
  import { Link, Route, location } from '@hyperapp/router';
  import actions from './actions';
  import state from './state';
  import view from './components/MainScreen';
  
  const interop = app(state, actions, view, document.body);
  document.body.addEventListener('keydown', interop.handleKeyDown); 
  
  const unsubscribe = location.subscribe(interop.location);