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/util/removeBOM.js

@@ -0,0 +1,25 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Alexander Akait @alexander-akait
+*/
+
+"use strict";
+
+/**
+ * @param {string | Buffer} strOrBuffer string or buffer
+ * @returns {string | Buffer} result without BOM
+ */
+module.exports = (strOrBuffer) => {
+	if (typeof strOrBuffer === "string" && strOrBuffer.charCodeAt(0) === 0xfeff) {
+		return strOrBuffer.slice(1);
+	} else if (
+		Buffer.isBuffer(strOrBuffer) &&
+		strOrBuffer[0] === 0xef &&
+		strOrBuffer[1] === 0xbb &&
+		strOrBuffer[2] === 0xbf
+	) {
+		return strOrBuffer.subarray(3);
+	}
+
+	return strOrBuffer;
+};