230417_update

- Added the ability to sell items only for equipment. You can use it in the belongings of the Other menu.
- When purchasing equipment from the shop, an option to ask whether or not to wear it immediately has been added.
- Reduced ship repair costs.
- Added battle result window UI.
- From now on, when you win a battle, your morale will increase.
- When winning ground battles, there is a low chance to obtain Jerky.
- When winning naval battles, there is a small chance to get food or water, or sometimes both.