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

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

node_modules/collect.js/dist/methods/join.js

@@ -0,0 +1,22 @@
+'use strict';
+
+module.exports = function join(glue, finalGlue) {
+  var collection = this.values();
+
+  if (finalGlue === undefined) {
+    return collection.implode(glue);
+  }
+
+  var count = collection.count();
+
+  if (count === 0) {
+    return '';
+  }
+
+  if (count === 1) {
+    return collection.last();
+  }
+
+  var finalItem = collection.pop();
+  return collection.implode(glue) + finalGlue + finalItem;
+};