Add check_model method

[raoulcollenteur]

Describe the proposed feature

I propose to add a method that takes in a Pastas model, and checks against possible issues. This could help future users I think.

Expected usage

ps.check_model(ml)

e.g., Returns

• Response function longer than calibration time
• Parameter on bound
• ...

[martinvonk]

Discussion on this topic: https://github.com/orgs/pastas/discussions/658