added id client-add in response

src/lib/WireGuard.js

@@ -248,9 +248,9 @@ Endpoint = ${WG_HOST}:${WG_PORT}`;
     }
 
     // Create Client
-    const clientId = uuid.v4();
+    const id = uuid.v4();
     const client = {
-      clientId,
+      id,
       name,
       address,
       privateKey,
@@ -263,7 +263,7 @@ Endpoint = ${WG_HOST}:${WG_PORT}`;
       enabled: true,
     };
 
-    config.clients[clientId] = client;
+    config.clients[id] = client;
 
     await this.saveConfig();