Add state of window position

[stefansl]

['resize', 'move', 'close; ].forEach(function(e) { 
  mainWindow.on(e, function() { 
    storeWindowState(); 
  }); 
});

https://blog.avocode.com/4-must-know-tips-for-building-cross-platform-electron-apps-f3ae9c2bffff

[stefansl]

This will annoy you. So I willl drop that issue