Based on Hugh Davie's aoc-kotlin-starter.
Note that per AoC's recommendation, input files are not stored in the repo. They're expected to be found in src/main/resources/<year>/input_day_<day>.txt.
Added a utility to create the files for a particular day. Create a run configuration that runs this command.
run --args "today" -Pmain="util.ScaffoldCreator"
Create a run configuration like this.
run --args "today" -Pmain="util.Runner"