Fix url pattern in boardgenerator.

battlecamp-go-boardgenerator/main.go

@@ -8,7 +8,7 @@ import (
 )
 
 func main() {
-	http.HandleFunc("", generateBoard)
+	http.HandleFunc("/", generateBoard)
 	log.Fatal(http.ListenAndServe(":8081", nil))
 }