chore(ci): update ci

[schultzp2020]

What does this PR do / why we need it

• Removes unnecessary dependencies
• Adds a prettier check in precommit and in the CI action
• Adds a tsc check in the CI action
• Updates turbo.json to accurately reflect current scripts

Source code changes were made to fix prettier or tsc issues.

Which issue(s) does this PR fix

• Fixes https://github.com/janus-idp/janus-idp.github.io/issues/126
• Fixes https://github.com/janus-idp/janus-idp.github.io/issues/125
• Fixes https://github.com/janus-idp/janus-idp.github.io/issues/124
• Fixes https://github.com/janus-idp/janus-idp.github.io/issues/123

PR acceptance criteria

• [ ] Unit Tests
• [ ] E2E Tests
• [ ] Documentation

How to test changes / Special notes to the reviewer