added folder structs

cmd/main.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"fmt"
+)
+
+func main() {
+	fmt.Println("Please enter your name.")
+	var name string
+	fmt.Scanln(&name)
+	fmt.Printf("Hi, %s! I'm Go!", name)
+}