Add a donation page/popup with multiple payment options

[bugreporter005]

Problem Statement

Currently, there is no dedicated way for users to financially support the development.

Proposed Solution

Add a donation page or popup that appears once a year (e.g. in December after 2 weeks of use) to the app that allows users to support the project via multiple payment methods, including various cryptocurrencies (BTC, ETH, and especially XMR) and traditional fiat transactions if you want to.

Alternatives Considered

No response

Additional Context

No response

Acknowledgements

• I have searched the existing issues and discussions to ensure this feature has not already been requested.
• I understand that submitting a request does not guarantee it will be implemented.
• I have provided all necessary information to clearly explain my request.