Tests sentry

[jacob-cob-null]

Summary: Testing & Error Monitoring

Commits:

• 210b9d3 chore: setup ci/cd and sentry
• 4353a5b test: added 4 test suites from jest
• bef5ac2 fix: update lock file so it matches package.json

Changes:

• Testing Suite: Added Jest with 23 unit/integration tests covering Member Management, Auth, and Team logic.
• Error Monitoring: Integrated Sentry for full-stack error tracking and added a global error boundary.
• CI/CD: Implemented GitHub Actions to automatically run tests and linting on every push.
• Mocking: Configured type-safe mocks for Prisma and Supabase to ensure fast, isolated tests.