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/collect.js/dist/methods/symbol.iterator.js

@@ -0,0 +1,16 @@
+'use strict';
+
+module.exports = function SymbolIterator() {
+  var _this = this;
+
+  var index = -1;
+  return {
+    next: function next() {
+      index += 1;
+      return {
+        value: _this.items[index],
+        done: index >= _this.items.length
+      };
+    }
+  };
+};