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/webpack/lib/wasm-sync/UnsupportedWebAssemblyFeatureError.js

@@ -0,0 +1,16 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+*/
+
+"use strict";
+
+const WebpackError = require("../WebpackError");
+
+module.exports = class UnsupportedWebAssemblyFeatureError extends WebpackError {
+	/** @param {string} message Error message */
+	constructor(message) {
+		super(message);
+		this.name = "UnsupportedWebAssemblyFeatureError";
+		this.hideStack = true;
+	}
+};