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/webpack/lib/runtime/HelperRuntimeModule.js

@@ -0,0 +1,18 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+
+"use strict";
+
+const RuntimeModule = require("../RuntimeModule");
+
+class HelperRuntimeModule extends RuntimeModule {
+	/**
+	 * @param {string} name a readable name
+	 */
+	constructor(name) {
+		super(name);
+	}
+}
+
+module.exports = HelperRuntimeModule;