Prepare public release with the help of R package kwb.pkgbuild
added RScript R/.create_package_from_scratch to (eg. re-build DESCRIPTION
added CI: Github actions, documentation website)
build documentation with roxygen2
new: runEpanet, runEpanetOnCommandLine, createDirAndReturnPath, replaceFileExtension
writeInputFileWithNewCurveSection now returns the path of the created file
writeInputFileWithNewCurveSection, replaceCurveSectionInInputFile,
curvesToText, replaceCurves, replaceOneCurve