Configure Database & Environment

Description

Configure database connection and environment variables for development.

Acceptance Criteria

• SQLite database file created
• .env configured with correct paths
• Database connection tested
• Environment variables documented

Implementation Steps

1. Create database.sqlite file
2. Update .env with database paths
3. Configure FRONTEND_URL for CORS
4. Test connection with php artisan tinker

Reference

• Roadmap: docs/roadmaps/Implementation_Roadmap_Backend.md Phase 1, Step 2
• Standards: backend/CLAUDE.md

Related Issues

• Depends on: #1
• Blocks: #3