refactored shop code to use RunData code

.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/script_editor_cache.cfg

.godot/global_script_class_cache.cfg

.godot/uid_cache.bin

Assets/Resized Chess Piece Assets/Black_Assassin.png.import

Assets/Resized Chess Piece Assets/Black_Bishop.png.import

Assets/Resized Chess Piece Assets/Black_Pawn.png.import

Assets/Resized Chess Piece Assets/Black_Queen.png.import

Assets/Resized Chess Piece Assets/Black_king.png.import

Assets/Resized Chess Piece Assets/Black_knight.png.import

Assets/Resized Chess Piece Assets/Black_mage.png.import

Assets/Resized Chess Piece Assets/Black_rook.png.import

Assets/Resized Chess Piece Assets/Black_wizard.png.import

Assets/Resized Chess Piece Assets/White_Assassin.png.import

Assets/Resized Chess Piece Assets/White_Bishop.png.import