Update
1. Add jungle terrain.
2. Add dungeon terrain.
3. Update the mini-map function.
4. Update the shortcut bar.
5. Fixed the bug of slow archive saving.
6. Fixed the bug that the bow and arrow moved too slowly.
7. Fixed the enemy health bar display bug.
Next step plan
1. Add bats
2. Add skeleton archers, axemen, and mages
3. Add torches
4. Add forging system
5. Add button bar.
6. Add day and night system.