add new server

add new private key
check server connection

app/Models/ServerSetting.php

@@ -4,6 +4,9 @@ namespace App\Models;
 
 class ServerSetting extends BaseModel
 {
+    protected $fillable = [
+        'server_id'
+    ];
     public function server()
     {
         return $this->belongsTo(Server::class);