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/lib/core.js

@@ -0,0 +1,12 @@
+'use strict';
+
+var isCoreModule = require('is-core-module');
+var data = require('./core.json');
+
+var core = {};
+for (var mod in data) { // eslint-disable-line no-restricted-syntax
+    if (Object.prototype.hasOwnProperty.call(data, mod)) {
+        core[mod] = isCoreModule(mod);
+    }
+}
+module.exports = core;