Update README.md with instructions for running the application locally

Update CORS configuration in app.ts

add trust proxy

refactor code for https

Update import paths in validateAdmin.ts and validateSession.ts middleware

Update package.json build script to clean dist directory before compiling TypeScript

Update CORS configuration in app.ts

Refactor CORS configuration in app.ts

Update CORS configuration in app.ts

Update CORS configuration in app.ts

Update package.json build script to clean dist directory before compiling TypeScript

Update package.json scripts and dependencies

Update vercel.json to point to the dist/app.js file

Update server/tsconfig.json compiler options

Update vercel.json to point to the dist/index.js file