Support Windows and Linux

[swarnimarun]

Below requires unix platform to be built.
https://github.com/premAI-io/prem-app/blob/96c7b32728671eb3d27adcdeda150a6459b5aef4/src-tauri/src/download.rs#L252

Do we want to support windows?

[swarnimarun]

cc: @tiero ?

[tiero]

I think there are many other issues that prevents us to support Windows. Moreover binaries for models only works on Mac M1, so will not be that useful