feat: functions for modifying LIDs with swmmr

[mrustl]

add wrapper functions for simplifing modification of SWMM file for LIDs (used in KEYS project)

for details see:
https://github.com/KWB-R/keys.lid/blob/23355fbeda09106bd0411f10c4accf1cf8895967/inst/extdata/scenarios/swmm_lid-parameterisation_v1.0.0.xlsx

• required parameterisation (a7d0515)

• write wrapper functions