new example based on Lim et al. 2025 (box-model coalescence)

[slayoo]

Lim, J.-S., Noh, Y., Lee, H., and Hoffmann, F.: The critical number and size of precipitation embryos to accelerate warm rain initiation, Atmos. Chem. Phys., 25, 5313–5329, https://doi.org/10.5194/acp-25-5313-2025, 2025.

see also: https://github.com/jslim93/PyLCM_edu/tree/Paper