Loading SWAT+ text files into dataframe
Arguments
- tbl_name
 character, name of the file to be read eaxmple ('rout_unit.con').
- proj_path
 character, path to SWAT+ txtinout folder (example "my_model").
- row_data_start
 numeric, row number from which data are being written. Optional,
default = 3.- row_col_names
 numeric, row nu,mber in which column names are being written. Optional,
default = 2.
