Might I suggest that once you recover from your cold you redo the audio on your demo video? Or at least edit all the coughs out?
Otherwise, looks great! Been looking for a trustworthy opensource replacement for a while since Postman went to crap and the Insomnia owners revealed they can't be trusted.
There's also the recent fork of Insomnia, here:
https://github.com/ArchGPT/insomnium
and discussed here: