Quality of Life Update 1 — Chainsaw Dodge Steam update #537931

Made each button scale up when the mouse enters and scale down again when it exits.Improved the sprites for two chainsaw skins and the back button.Animated the spinner button.Made the mouse disappear during gameplay and reappear when paused or after game over.Added the ability to go back using escape key or back button on controller instead of navigating to the back button in the corner.Resized the images in the background subsection of the inventory to decrease load time when opening the inventory.