新增math库

packages/math/src/Animation/index.ts

@@ -0,0 +1,13 @@
+/**
+ * 动画和插值模块
+ * 
+ * 提供缓动函数和各种插值功能
+ */
+
+export { Easing } from './Easing';
+export { 
+  Interpolation, 
+  CachedInterpolator,
+  type InterpolatorFunction,
+  type Keyframe
+} from './Interpolation';