Prototyped /ipfs/download

package.json

@@ -27,6 +27,7 @@
     "@chainsafe/libp2p-gossipsub": "11.0.1",
     "@chainsafe/libp2p-noise": "14.1.0",
     "@chainsafe/libp2p-yamux": "6.0.1",
+    "@helia/unixfs": "3.0.1",
     "@libp2p/bootstrap": "10.0.7",
     "@libp2p/circuit-relay-v2": "1.0.13",
     "@libp2p/identify": "1.0.6",
@@ -41,6 +42,7 @@
     "glob": "7.1.6",
     "helia": "2.1.0",
     "helia-coord": "1.5.4",
+    "ipfs-unixfs-exporter": "13.5.0",
     "jsonrpc-lite": "2.2.0",
     "jsonwebtoken": "8.5.1",
     "jwt-bch-lib": "1.3.0",