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/laravel-mix/src/components/Override.js

@@ -0,0 +1,11 @@
+const { Component } = require('./Component');
+
+module.exports = class Override extends Component {
+    /**
+     *
+     * @param {()=>void|Promise<void>} callback
+     */
+    register(callback) {
+        this.context.listen('configReadyForUser', callback);
+    }
+};