chore: add node-fetch

Author: sabineschaller

package.json

@@ -29,10 +29,10 @@
     "bn.js": "^5.1.1",
     "chrome-dgram": "^3.0.4",
     "compact2string": "^1.4.1",
-    "debug": "^4.1.1",
     "ip": "^1.1.5",
     "lru": "^3.1.0",
     "minimist": "^1.2.5",
+    "node-fetch": "^2.6.0",
     "once": "^1.4.0",
     "random-iterate": "^1.0.1",
     "randombytes": "^2.1.0",