feat: new server checking job

feat: show if the server  has problems on ui

app/Models/StandalonePostgresql.php

@@ -14,7 +14,7 @@ class StandalonePostgresql extends BaseModel
 
     protected $guarded = [];
 
-    protected $appends = ['internal_db_url', 'external_db_url', 'database_type'];
+    protected $appends = ['internal_db_url', 'external_db_url', 'database_type', 'server_status'];
 
     protected $casts = [
         'init_scripts' => 'array',
@@ -46,6 +46,15 @@ class StandalonePostgresql extends BaseModel
         return database_configuration_dir()."/{$this->uuid}";
     }
 
+    protected function serverStatus(): Attribute
+    {
+        return Attribute::make(
+            get: function () {
+                return $this->destination->server->isFunctional();
+            }
+        );
+    }
+
     public function delete_configurations()
     {
         $server = data_get($this, 'destination.server');