sharing space acccess with w3up

Create a delegation at private/d1.car

node ./create-delegation.mjs \
  --space='did:key:z6MkndD3taVNjVJqfcBEdgc74Q22k3ZqU1BLZMauduknsgY6' \
  --audience=did:mailto:gmail.com:bengoering \
  --output private/delegation1.car

Now send it using an invocation to access/delegate at web3.storage

node ./w3-access-delegate.js \
  --car=private/delegation1.car