fix: use ipfs.io by default
fix: use ipfs.io by default

We can't use dweb.link as the default until
https://github.com/ipfs/go-ipfs/issues/7318 is open.

Default gateway should be able to open all CIDs, and dweb.link is
limited to 63char ones max.

ipfs/webui,ipfs/webui,ipfs/webui