Chore/admin/upgrade-to-react-router-v7

[ryanhopperlowe]

Addresses #836

Upgrades from Remix v2 to React Router v7

• additionally replaces remix-routes library with safe-routes (same code just built for react-router)
• updates build scripts and configuration files

Notes:

• Most files updated automatically using this codemod
• Mostly import and dependency changes.
• Files of note:
  • ~/entry.client.tsx
  • ~/lib/service/routeService.ts
  • ~/routes.ts
  • package.json
  • react-router.config.ts
  • tsconfig.json
  • vite.config.ts