feat: implement useScreenClick

app/composables/useScreenClick.ts

@@ -0,0 +1,18 @@
+export type ScreenClickCallback = (x: number, y: number) => void;
+
+export const useScreenClick = (callback: ScreenClickCallback) => {
+  const registerScreenClickCallback = inject<
+    (callback: ScreenClickCallback) => () => void
+  >("registerScreenClickCallback");
+
+  onMounted(() => {
+    if (!registerScreenClickCallback) {
+      throw new Error(
+        "Missing registerScreenClickCallback - useScreenClick must be used within a Screen component",
+      );
+    }
+
+    const unregister = registerScreenClickCallback(callback);
+    onUnmounted(unregister);
+  });
+};