Solve day 4 part 1 Not very elegant, maybe return when I am more confident in writing good parsers in rust.
Solve day 3 part 2
Solve day 1 part 1
Solve day 2 part 2
Solve day 2 part 1
Add tests
Solve day 1 part 2
Add build file
Solve first part of day 1
Start with Advent of Code 2020