message: add useState for legend and str to change state of atomSelectorLegend to what user clicks on
diff: @@ -20,7 +20,7 @@ const AtomComponentVisualContainer: React.FC<AtomComponentVisualContainerProps>
  // this will be the atom or selector from the AtomSelectorLegend that the user clicked on. an array with the ele at index 0 as the name of the atom/selector, and ele at index 1 will be 'atom' or 'selector'
  const [selectedRecoilValue, setSelectedRecoilValue] = useState([]);
  const [legend, setLegend] = useState(true);
  - const [str, setStr] = useState([]);
  + const [str, setStr] = useState('');
  // each property in the atoms or selectors object will be a property whose key is the atom or selector name, and whose value is the value of that atom or selector
  const atoms: atom = {};
  