update heatmap

packages/artplayer-plugin-danmuku/types/artplayer-plugin-danmuku.d.ts

@@ -119,7 +119,20 @@ type Option = {
     /**
      * 是否开启弹幕热度图
      */
-    heatmap?: boolean;
+    heatmap?:
+        | boolean
+        | {
+              xMin?: number;
+              xMax?: number;
+              yMin?: number;
+              yMax?: number;
+              scale?: number;
+              opacity?: number;
+              minHeight?: number;
+              sampling?: number;
+              smoothing?: number;
+              flattening?: number;
+          };
 
     /**
      * 发送弹幕前的自定义校验，返回 true 则可以发送