Add classification for more document types

[yankovs]

Hey!

Currently only a small amount of document formats are supported. Here is a list of formats that should be classified to make the Karton more complete:

• Microsoft Access file types - accdb, mdb
• Microsoft Publisher file type - pub
• Microsoft OneNote file type - one
• Microsoft PowerPoint file types - pps, ppsx, pptm, potx, ppsm, ppam
• Microsoft Word file types - docm, dotm, dotx, mht
• Microsoft Excel file types - xlsm, xltm, xlsb, xlam, xltx