Refactor nested quads
We still have nested quads handled by roger, however flattenQuads is defined in Index.tsx in case the third App needs it flattened. flattenQuads can be also defined in the third App separately.
We still have nested quads handled by roger, however flattenQuads is defined in Index.tsx in case the third App needs it flattened. flattenQuads can be also defined in the third App separately.