Small Fixes and Encumbrance Update

This update introduces expanded carrying and encumbrance rules alongside several combat, equipment, and interface improvements.

• Added Delete Button for imported images.

• Increased every character’s carrying capacity by 10 lb.

• Added Encumbered and Heavily Encumbered load categories.

• Encumbered characters now make Athletics checks during dungeon exploration, wilderness travel, and combat.

• Failed encumbrance checks add Fatigue instead of applying a constant skill penalty.

• Armour Use now applies automatically at full strength whenever damage reaches armour.

• Armour Use dice are no longer manually committed or consumed during combat.

• Rebalanced the Armour Use requirements for different armour types.

• Added the 3rd level Battle Cleric Divine Magic perk, allowing unrestricted spellcasting while using armour, shields, and weapons.

• Improved mouse cursor consistency during dungeon movement.

• Included assorted combat and interface fixes.