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/resolve/test/resolver/multirepo/packages/package-b/package.json

@@ -0,0 +1,14 @@
+{
+  "name": "@my-scope/package-b",
+  "private": true,
+  "version": "0.0.0",
+  "description": "",
+  "license": "MIT",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: run tests from root\" && exit 1"
+  },
+  "dependencies": {
+    "@my-scope/package-a": "^0.0.0"
+  }
+}