Implement more charge trapping models

[fhagemann]

There are more charge trapping models that could be implemented in SSD, e.g.:

• S. Boggs et al.: Numerical simulations of charge trapping in germanium strip detectors, Nucl. Instr. Meth. A 1057 168756 (2023), https://doi.org/10.1016/j.nima.2023.168756
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• I. Abt et al.: Identification and simulation of surface alpha events on passivated surfaces of germanium detectors and the influence of metalisation, Eur. Phys. J. C 82 1119 (2022), https://doi.org/10.1140/epjc/s10052-022-11064-8
• AGATA collaboration: Correction for hole trapping in AGATA detectors using pulse shape analysis, Eur. Phys. J. A 49 61 (2013), https://doi.org/10.1140/epja/i2013-13061-4