Build an electron using electron-buidler to submiss a flathub app

Requests
1

Project information:

Name: p3x-onenote
Homepage: GitHub - patrikx3/onenote: 📚 Linux Electron Onenote - A Linux compatible version of OneNote
License: MIT
Upstream has been contacted:
I do not know how I can submiss an app using electron builder.

2

i created a build using electron-buidler but for submission, i have to generate a manifest, which is not available in the electron-builder. how can i get that manifest?

3

Follow the documentation and create your own one in the process