[Review][OTH] All other docs/assets/auxiliary documentation

Please check the documentation for other files/docs/testing.

(not yet part of the TsDCs or structured/named otherwise)

Setup:

• Calculations
• Testing
• Manuals

Please make sure to mention and reference the specific documents that are not part of any other Review issue. For general comments or questions, refer to #1 (closed).

• approved @dmohns
• approved @joscha