Convert repo to use Vue 3 + Vite + build/deploy

[TheJaredWilcurt]

Set up a Vue 3 project with Vite:

• https://github.com/TheJaredWilcurt/vite-vue3-pinia-options-api

Set up GitHub Actions to auto build/deploy when things merge to main

• https://vitejs.dev/guide/static-deploy.html