EDA decomposition: more methods (Integrated SCR; Benedek, 2010)

[zen-juen]

Decomposition method by Benedek and Kaernbach (2010) to separate EDA into phasic and tonic: https://www.sciencedirect.com/science/article/pii/S0165027010002335

Additional method to be added into eda_phasic() 😄