Add in throwable items (dagger) from pixel dungeon

src/scenes/__tests__/GameScene.test.ts

@@ -35,7 +35,13 @@ vi.mock('phaser', () => {
           get: vi.fn(),
         };
         add = {
-           graphics: vi.fn(() => ({})),
+           graphics: vi.fn(() => ({
+             setDepth: vi.fn().mockReturnThis(),
+             clear: vi.fn(),
+             lineStyle: vi.fn(),
+             lineBetween: vi.fn(),
+             strokeRect: vi.fn(),
+           })),
            text: vi.fn(() => ({})),
            rectangle: vi.fn(() => ({})),
            container: vi.fn(() => ({})),