Sync broccolini-bot: rename from zammad, docs in docs/, security gitignore, remove zammad deps

Co-authored-by: Cursor <cursoragent@cursor.com>

scripts/backup-env.js

@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+/**
+ * Copy .env to .env.backup. Run whenever you want to save a snapshot.
+ * .env.backup is in .gitignore and is never committed.
+ */
+
+const fs = require('fs');
+const path = require('path');
+
+const root = path.resolve(__dirname, '..');
+const src = path.join(root, '.env');
+const dest = path.join(root, '.env.backup');
+
+if (!fs.existsSync(src)) {
+  console.error('No .env file found. Nothing to backup.');
+  process.exit(1);
+}
+
+fs.copyFileSync(src, dest);
+console.log('Backup written to .env.backup');