Update setup.sh

Update README.md

Add missing npm install in raspotify setup script

Make album image corners more rounded

Rewrite readme. Add raspotify setup script

Add .nvmrc files

Add gatefold bash script

Update gatefold script to use dotenv, update readme

Switch to adapter static instead of adapter node

Update readme

Change bg color logic

Use svelte bind:this rather than getElementById

Improve handling of spotify access token

Refresh spotify token before it expires

Update mqtt log for clarity