Adds Day 3 part 1.

src/two/mod.rs

@@ -78,7 +78,7 @@ struct Game {
 }
 
 
-pub fn two_one() -> Result<(), AdventError> {
+pub fn one() -> Result<(), AdventError> {
     let games: Vec<Game> = read_into_vec(Path::new("resources/input2.txt"))?;
     let mut sum: u32 = 0;
 
@@ -103,7 +103,7 @@ pub fn two_one() -> Result<(), AdventError> {
     Ok(println!("{}", sum))
 }
 
-pub fn two_two() -> Result<(), AdventError> {
+pub fn two() -> Result<(), AdventError> {
     let games: Vec<Game> = read_into_vec(Path::new("resources/input2.txt"))?;
     let mut power: u32 = 0;