cell order / package loading and latex equation: example

While trying to render this notebook, I had the following issues:

1. The packages are not installed by the notebook itself (I had to install them in the `make.jl` file). Probably this is a feature to avoid installing packages repeatedly for each notebook, but should probably be an option, as it breaks the self-consistency of the notebook.

2. The cell order matters. Specifically, in the notebook I ran, for example, `using Unitful` in cells at the end of the notebook. That does not seem to work.

3. A latex equation that is in the notebook was not rendered:

Should be:

How it was rendered:

[ander.jl.zip](https://github.com/user-attachments/files/17012298/ander.jl.zip)