Add project: radioactive

Nobody has claimed this yet.

## Basic info

**Application name**: radioactive
**Application repo link**: https://github.com/deep5050/radio-active
**Application home link**: https://github.com/deep5050/radio-active
**Application description**: An internet radio player app with recording feature.

## Qualifications

There are a ton of great Python projects out there, but what makes an
application "Awesome™"? Please check that all of the following criteria apply:

- [x] Free software with an online source repository.
- [x] Using Python for a considerable part of their functionality.
- [x] Well-known, or at least prominently used in an identifiable niche.
- [x] Maintained or otherwise demonstrably still functional on relevant platforms.
- [x] An application, not a library or framework.

Note that installability via pip/PyPI and a developer-audience focus
may warrant a higher standard for inclusion, in keeping with the
spirit of the list:
http://sedimental.org/awesome_python_applications.html

## Additional notability info

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Review projects.yaml and compare the existing entries and comments with the radioactive project details in this issue. Add the project as a 2–3 line entry if it meets the listed qualifications; done means the project appears consistently in the application list.

Written by the indexing model from the issue text.