Add new map and tileset files for Windows release

- Created test.tmj and test.tsj files in the maps directory.
- Added tileset.tsj with configuration for the MainTileset including image path and dimensions.

main.go

@@ -3,11 +3,22 @@ package main
 import (
 	"log"
 	"mountain/internal/game"
+	"os"
 
 	"github.com/hajimehoshi/ebiten/v2"
 )
 
 func main() {
+	// Sätt upp loggning till fil
+	f, err := os.OpenFile("game.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
+	if err != nil {
+		log.Fatalf("Kunde inte skapa logfil: %v", err)
+	}
+	defer f.Close()
+	log.SetOutput(f)
+
+	log.Println("--- Spelet startar ---")
+
 	ebiten.SetWindowSize(800, 600)
 	ebiten.SetWindowTitle("Regin: Mountain of Treasures")