docs: add multi-language documentation (ru, fa, zh, tr, ar)

docs/ar/api-websocket.md

@@ -0,0 +1,78 @@
+# API WebSocket
+
+دفق كامل للاتجاهين لتغذية البيانات في الوقت الفعلي والإشعارات.
+
+## الاتصال
+
+```
+ws://localhost:9471/ws
+```
+
+## مثال العميل
+
+```javascript
+const ws = new WebSocket('ws://localhost:9471/ws');
+
+ws.onopen = () => {
+  ws.send(JSON.stringify({
+    type: 'query',
+    sql: 'SELECT * FROM users'
+  }));
+};
+
+ws.onmessage = (event) => {
+  console.log('Received:', JSON.parse(event.data));
+};
+```
+
+## تنسيق الرسالة
+
+```json
+{
+  "type": "query",
+  "id": "uuid",
+  "sql": "SELECT * FROM users"
+}
+```
+
+## أنواع الرسائل
+
+### طلب الاستعلام
+
+```json
+{
+  "type": "query",
+  "id": "123",
+  "sql": "SELECT * FROM users"
+}
+```
+
+### استجابة الاستعلام
+
+```json
+{
+  "type": "result",
+  "id": "123",
+  "data": [{"id": 1, "name": "Alice"}]
+}
+```
+
+### الاشتراك
+
+```json
+{
+  "type": "subscribe",
+  "table": "users"
+}
+```
+
+### إشعار
+
+```json
+{
+  "type": "push",
+  "table": "users",
+  "action": "insert",
+  "data": {"id": 3, "name": "Charlie"}
+}
+```