Is there any PWA (Progressive Web Apps) framework or package written in nim?

[sdmcallister]

I followed one of the tutorials online to make a very simple pwa at 
www.sdmcallister.ca
    
    
    ├── public
    │   ├── css
    │   │   └── style.css
    │   ├── images
    │   │   ├── hello-icon-128.png
    │   │   ├── hello-icon-144.png
    │   │   ├── hello-icon-152.png
    │   │   ├── hello-icon-192.png
    │   │   ├── hello-icon-256.png
    │   │   └── hello-icon-512.png
    │   ├── index.html
    │   ├── js
    │   │   └── main.js
    │   ├── manifest.json
    │   └── sw.js
    ├── testapp
    └── testapp.nim
    
    
    Run

It could be greatly improved with better js code in sw.js...