Note 1: copy the CSS-file into your fileadmin-folder and include it via TypoScript!
Remove that line from this template after doing that...
Note 2: if you want to copy this HTML-file to your fileadmin-folder, you can specifty the folder like this:
plugin.tx_camaliga.view.templateRootPath = fileadmin/template/files/
Copy this file in a subfolder named "Content" of this folder.
Note 3: you can use pageUid="{settings.showId}" in link.action if you have a separeted single page.