making 2023 a generic aoc repo

2023/day-3/src/main.rs

@@ -0,0 +1,12 @@
+#![warn(clippy::all, clippy::pedantic)]
+
+use day_3::part1;
+use day_3::part2;
+
+fn main() {
+    let input = include_str!("./input.txt");
+    let part1_result = part1(input);
+    println!("part 1: {part1_result}");
+    let part2_result = part2(input);
+    println!("part 2: {part2_result}");
+}