add credits

src/day10.rs

@@ -1,5 +1,10 @@
 #![allow(dead_code)]
 
+/**
+ * File: day10.rs
+ * Author: Adam Jeniski; @Ajetski
+ */
+
 use std::collections::{HashMap};
 
 type Stack = Vec<char>;

src/day9.rs

@@ -1,5 +1,10 @@
 #![allow(dead_code)]
 
+/**
+ * File: day09.rs
+ * Author: Adam Jeniski; @Ajetski
+ */
+
 use std::collections::{HashSet, LinkedList};
 type Position = (usize, usize);
 

src/lib.rs

@@ -1,2 +1,7 @@
+/**
+ * File: lib.rs
+ * Author: Adam Jeniski; @Ajetski
+ */
+
 pub(crate) mod day9;
 pub(crate) mod day10;