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/ModuleHashingError.js

@@ -0,0 +1,29 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const WebpackError = require("./WebpackError");
+
+/** @typedef {import("./Module")} Module */
+
+class ModuleHashingError extends WebpackError {
+	/**
+	 * Create a new ModuleHashingError
+	 * @param {Module} module related module
+	 * @param {Error} error Original error
+	 */
+	constructor(module, error) {
+		super();
+
+		this.name = "ModuleHashingError";
+		this.error = error;
+		this.message = error.message;
+		this.details = error.stack;
+		this.module = module;
+	}
+}
+
+module.exports = ModuleHashingError;