feat: implement NamedVector based on Rcpp::NumericVector
feat: remove hard coded checks and substitute by R hook functions,
defined in the input script
refactor: modify API of DHT_Wrapper/InterpolationModule to expect a work
package structure, where input/output values are stored as 2D vectors
test: add tests for NamedVector
test: extend tests for Field
feat: implement data clustering using PHT
feat: implement interpolation
refactor: use named vector for DHT species definition and significant digits
data: remove unusable input scripts
data: move Phreeqc database to benchmark dir
refactor: rename dolomite benchmark directory
refactor: remove DHT prop type from input script