Added hide to tray option

[Devenor]

Added hide to tray option

Pull Request Type

• [ ] Bugfix
• [x] Feature Implementation
• [ ] Documentation
• [ ] Other

Related issue

closes #59

Description

Adds optional hide to system tray behaviour on closing and/or minimizing the main window. The settings have an option to enable or disable it in the general section. The tray icon has a small menu for closing the app or opening the window again, and it can be opened by clicking on the icon too.

Screenshots

https://imgur.com/a/1TVWBJp

https://imgur.com/a/xvBEqFe

Testing

• Go to Settings -> General and enable Minimize to system tray.
• When minimizing a window, the window will hide and a tray icon will appear.
• [Only on Windows] If there's only one window in the tray, left clicking the tray will open the window and the tray will disappear.
• Right clicking the tray will show a menu with an option to quit the app, and one submenu for each minimized window.
• Clicking the submenu will show one option to open the window and another to close it. When clicking an option, the submenu will disappear.
• If there are no more windows minimized, on Windows the tray will disappear, and on Linux it will remain with just the quit option.
• When a window is shown from the tray, it will retain its original size and position.
• When disabling the setting, if there are minimized windows they'll appear minimized in the taskbar.
• This setting is not avaliable for MacOS.

Desktop

• OS: Windows
• OS Version: 10
• FreeTube version: v0.23.2 Beta

Additional context