Rename some website catalogs
A naming convention is used for PO files of our Hugo websites, but some PO files don't follow that convention and the i18n tool needs to lengthen its exception list unnecessarily. This MR renames those files.
A naming convention is used for PO files of our Hugo websites, but some PO files don't follow that convention and the i18n tool needs to lengthen its exception list unnecessarily. This MR renames those files.