"Save" is broken; currently removed from site

[thedavidprice]

The Save button was creating DB and GraphQL error upon refresh and restart. (Sorry, didn't think to copy console messages here.) Most likely due to update in Prisma2 package in our v0.2.5

To Do

• [ ] fix setInvoice in api/src/services/invoice.js
• [ ] will need to uncomment SAVE button here: https://github.com/redwoodjs/example-invoice/blob/ff971587b8926e529590cf687083491d5ef1eb67/web/src/components/InvoiceCell/subcomponents/Toolbar/Toolbar.js#L47

NOTE: currently this is deployed to Netlify as a live example. Once this is fixed, we don't want the SAVE functionality deployed ('cause people...). We should either: a) create a separate deploy branch for Netlify with SAVE disabled, or b) add instructions to README about how to enable

[thedavidprice]

Scratch that. Fixes were in branch pp-deploy-to-netlify which I merged here f88cea3