Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

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Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/asn1.js/node_modules/bn.js/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "bn.js",
+  "version": "4.12.2",
+  "description": "Big number implementation in pure javascript",
+  "main": "lib/bn.js",
+  "scripts": {
+    "lint": "semistandard",
+    "unit": "mocha --reporter=spec test/*-test.js",
+    "test": "npm run lint && npm run unit"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:indutny/bn.js"
+  },
+  "keywords": [
+    "BN",
+    "BigNum",
+    "Big number",
+    "Modulo",
+    "Montgomery"
+  ],
+  "author": "Fedor Indutny <fedor@indutny.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/indutny/bn.js/issues"
+  },
+  "homepage": "https://github.com/indutny/bn.js",
+  "browser": {
+    "buffer": false
+  },
+  "devDependencies": {
+    "istanbul": "^0.3.5",
+    "mocha": "^2.1.0",
+    "semistandard": "^7.0.4"
+  }
+}