Day 1 in Go

Purely for curiosity/benchmarking-against-identical-Rust-version reasons

Spoilers: Rust is somewhat faster than Go and very much faster than .net
...though presumably .net's problem is purely startup time

main.go

@@ -0,0 +1,7 @@
+package main
+
+import "aoc2021/src"
+
+func main() {
+	src.Day01()
+}