Add the function of making any window transparent.

[M-G-Y-Blue]

Description of the new feature / enhancement

Enable user to make any window transparent.

Scenario when this would be used?

When I only have one screen, I want to use a timer to use Pomodoro Technique during my work. And I need to see a tutorial when operating a application.

Supporting information

The final effect is like glass2k(https://chime.tv/products/glass2k.shtml). This feature will be great if combined with "always on-top" feature.

[github-actions[bot]]

Hi I'm an AI powered bot that finds similar issues based off the issue title.

Please view the issues below to see if they solve your problem, and if the issue describes your problem please consider closing this one and thumbs upping the other issue to help us prioritize it. Thank you!

Closed similar issues:

• Transparent Window (#25956), similarity score: 0.86
• App that makes windows transparent (#23418), similarity score: 0.81
• Always on Top Window - Transparent (#15523), similarity score: 0.79
• Always on top: Adjustable Transparency Option for Windows 🫥 (#25519), similarity score: 0.79
• Transparency for Always on top (#15439), similarity score: 0.78

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