Finish Backend For August Launch

[truell20]

• [x] Entry Endpoint
• [x] Entry Endpoint tests
• [x] Password hashing
• [x] Document search functionality
• [x] Grading script functionality
• [x] User join date
• [x] Track season
• [x] Tracking events
• [x] Blog search functionality

[truell20]

We seem to have made individual issues for any backend tasks. I'm gonna close this cause.