To generate a devcontainer.json for daytona.io without using devcontainer.ai, you can use the VSCode IDE with Dev Containers plugin.Install the Dev Containers plugin and open the Command Palette (Ctrl+shift+P).Search for 'Dev Containers: Add Dev Container Configuration Files' and select it.Choose the desired configuration template, such as PHP for a Laravel project, and select the default PHP version.Select any additional features or optional files/directories.A devcontainer.json will be generated with helpful comments for beginners.