Setup back-end framework infrastructure.

[akatheduelist]

• [x] Choose and install database infrastructure framework
• [x] Setup Upstash / Redis backend API
• [x] Test and verify database connectivity in dev
• [x] Install and setup NextAuth for authentication
• [x] Configure Redis database adapter for NextAuth
• [x] Configure JWT for NextAuth
• [x] Configure Google Provider for NextAuth
• [x] Test Google Provider authentication with NextAuth

[akatheduelist]

Google Oath tested and working locally