Load database from multi sources and hot reload

[ze0nni]

For example we can separate table config with diffrent languages to different files:

var DB  = DB.Reslover.Load<DB>(
    "Assets/Resources/DB.core.json", 
    $"Assets/Resource/DB.locale_{_currentLocale}.json");
...
// On locale changed
DB.Reslover.Reload(DB, $"Assets/Resource/DB.locale_{_currentLocale}.json");