Migrate to electron-builder

[oliverbutler]

https://wykrhm.medium.com/creating-standalone-desktop-applications-with-react-electron-and-sqlite3-269dbb310aee

• Better understand building and signing
• Attempt to optimize load times + fix reload bug
• Not have two package.json's 🙏

[oliverbutler]

ERB is currently still the best option upon researching alternatives for our use case. I'm open to reopening this in the future.