For all the names to match up for Omeka to read it, top folder should be YouTubeImport to match the plugin name YouTubeImportPlugin.php
Or, maybe easier to go the other way, and rename the plugin to match: YoutubeImportPlugin.php That seems to match the existing controllers better.
For all the names to match up for Omeka to read it, top folder should be
YouTubeImportto match the plugin nameYouTubeImportPlugin.phpOr, maybe easier to go the other way, and rename the plugin to match:
YoutubeImportPlugin.phpThat seems to match the existing controllers better.