Renew ItemWindow

• Add new style
• Add a list for prices
• Add resizable window

Improved style + localization for Portuguese (Brazil)

• Add new ComboBox, Button and ListView style
• Stle adjustments
• Add language - Portuguese (Brazil)

Settings expanded

• In the settings, a separate Item List Source URL can now be specified
• Name changes

Minor fixes, Language update

• Fix the donation button
• Update language files

First version

• Add AutoUpdater
• Close all windows when the main window closes