Added a few UI elements to the gameplay screen

.godot/editor/create_recent.Node

.godot/editor/editor_layout.cfg

.godot/editor/filesystem_cache8

.godot/editor/filesystem_update4

.../game.tscn-editstate-c2a7af834e91ff64325daddf58e45dc0.cfg

.../main.tscn-editstate-3070c538c03ee49b7677ff960a3f5195.cfg

.godot/editor/project_metadata.cfg

.godot/editor/recent_dirs

.godot/editor/script_editor_cache.cfg

.godot/uid_cache.bin

.vscode/settings.json

assets/sprites/Shop Icons/DiagonalBishop1Upgrade.aseprite

assets/sprites/Shop Icons/DiagonalRook1Upgrade.png

assets/sprites/Shop Icons/DiagonalRook1Upgrade.png.import

main.tscn

scenes/GameOver.tscn

scenes/game.tscn

scenes/ui/ui.tscn

scripts/Shop.gd

scripts/ui/game_ui.gd