add new courses to portals importer

[simonostendorf]

the following courses appear on portals:

• INF
• ET
• MCD
• DIB
• WI
• ET-Master
• INF-Master
• ISE-Master
• IS-Master
• SBE

[simonostendorf]

see https://github.com/fsr5-fhaachen/strichlistensystem/blob/dev/app/Http/Controllers/PortalsController.php#L102-L113