Add io.github.tx2z.XtoMarkdown

[tx2z]

Please confirm your submission meets all the criteria

• [X] Please describe the application briefly. XtoMarkdown is a cross-platform GUI application for converting documents (DOCX, PDF, PPTX, etc.) to Markdown. It uses Python with PySide6 for the GUI and supports two conversion engines: Pandoc and MarkItDown. Uses KDE Platform 6.8 runtime with all Python dependencies from pre-built wheels (offline build).

• [X] Please attach a video showcasing the application on Linux using the Flatpak.

https://github.com/tx2z/xtomarkdown/raw/main/screenshots/xtomarkdown-demo.mp4

• [X] The Flatpak ID follows all the rules listed in the Application ID requirements.

• [X] I have read and followed all the Submission requirements and the Submission guide and I agree to them.

• [X] I am an author/developer to the project.

[github-actions[bot]]

Starting a test build of the submission. Please fix any issues reported in the build log. You can restart the build once the issue is fixed by commenting the phrase below.

bot, build

[flathubbot]

🚧 Test build enqueued.

[flathubbot]

🚧 Started test build.

[flathubbot]

❌ Test build failed.

Help

• bot, build - Restart the test build

[bbhtt]

The python modules you generated should be in a separate python-sources.{yaml, json} manifest.

Also try to build as many Python modules from source instead of using arch specific wheels.

[tx2z]

Thank you so much for all the comments!! I'm learning python with this project (with help of AI). I'll apply the changes as soon as I have some time and come back with a new version. Thank you!