V0.18 New items update

• Added icons in the mining info bar to explain the different cells
• On the map, increased the ? from 25% to 40%
• On the mining area, the X is a different color
• The ending now has it's own full screen dialog
• Added new items and updated some items
• Enemy running away use 4 energy instead of 5
• Fix the "store" dialog and options
• Purple battery doesn't keep energy but instead start a battle with x energy
• Later in the map, enemy will gain 50% strength instead of 100%
• Changed how the enemy gets more powerful over time
• Stop showing the tooltip when the enemy section is destroyed

The next update will focus on visual changes and the second map.