The Hugo preview obsidian plugin allows you to seamlessly preview Hugo websites directly within Obsidian. By opening a custom iframe, it facilitates the live preview of a Hugo site, while running the Hugo server in the background. The plugin supports adding custom flags to the Hugo server and includes a shortcut to launch the terminal. It integrates with the 'ObsidianCustomFrames' plugin and enables real-time updates with the --navigateToChanged
flag. Users can interact with the plugin via a status bar icon, making it easy to manage and preview Hugo projects within Obsidian.