366 add user guide surrogates

[niklaswulkow]

Dominik's and Niklas' docu of surrogate models in bofire

[R-M-Lee]

Great stuff!

Please add a line to mkdocs.yaml here to make this new page show up in the docs. I would put this under package architecture so you can just copy the bit used for Data Models vs Functional Components

[R-M-Lee]

@dlinzner-bcs I just reviewed this

[niklaswulkow]

Thank you, the line in mkdocs.yaml is now added.

Great stuff!

Please add a line to mkdocs.yaml here to make this new page show up in the docs. I would put this under package architecture so you can just copy the bit used for Data Models vs Functional Components

[R-M-Lee]

ok. If you are happy with my suggestions you can just click on 'commit suggestion' at each appropriate block (you don't have to take my suggestion of course).

Then we can merge