menarest/cooc_mutualism: code for Menares et al. (2024) co-occurrences

Supplementary code for analyses of Menares, E., Saíz, H., Schenk, N., de la Riva, E.G., Krauss, J., Birkhofer, K., 2024. Co-Occurrence Patterns Do Not Predict Mutualistic Interactions Between Plant and Butterfly Species. Ecology and Evolution, 14, e70498. https://doi.org/10.1002/ece3.70498