Sites plugin launches in preview; build and deploy web apps

# Build and deploy websites with Sites [**Sites**](/codex/sites) is now available in preview in the Codex app. Use the Sites plugin to create, save, deploy, and inspect websites, dashboards, internal tools, web apps, and games hosted by OpenAI. Open **Sites** in the app sidebar to return to your projects and manage hosted environment variables and secrets. ChatGPT Business workspaces include Sites by default. ChatGPT Enterprise admins can enable Sites for the appropriate roles through role-based access control (RBAC).