adapt to new nip-01, change "attempt" notification logic.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "nostr-tools",
-  "version": "0.3.2",
+  "version": "0.4.0",
   "description": "Tools for making a Nostr client.",
   "main": "index.js",
   "repository": {
@@ -10,6 +10,7 @@
   "dependencies": {
     "buffer": "^6.0.3",
     "noble-secp256k1": "^1.1.1",
+    "ramda": "^0.27.1",
     "websocket-polyfill": "^0.0.3"
   },
   "keywords": [
@@ -23,14 +24,5 @@
     "censorship",
     "censorship-resistance",
     "client"
-  ],
-  "devDependencies": {
-    "@babel/core": "^7.12.10",
-    "@babel/preset-env": "^7.12.11",
-    "@rollup/plugin-babel": "^5.2.2",
-    "@rollup/plugin-node-resolve": "^11.0.1",
-    "rollup": "^2.36.1",
-    "rollup-plugin-ignore": "^1.0.9",
-    "rollup-plugin-terser": "^7.0.2"
-  }
+  ]
 }