Refactor code structure for improved readability and maintainability

Refactor code structure for improved readability and maintainability

fix: implement team listing and activity loading in team management

fix: update Railway API URL in configuration and redirects

fix: trim whitespace from environment variable URLs in base URL functions

fix: add route for dynamic blog post handling in Vercel configuration

fix: update environment variable validation and enhance error messaging in production

fix: start server before env var validation so Railway health check can respond

fix: add routes for serving dashboard scripts and handling 404 errors

fix: enhance sidebar styles and update main content layout in pricing page

fix: enhance error handling and messaging for registration and login processes

fix: improve error messages for FRONTEND_URL validation in production

fix: add additional binaryTargets for Prisma client generator

fix: update builder configuration to use Dockerfile in railway.json and railway.toml

fix: update start command in railway configuration to use shell script