feat:Scroller add scrollTo method

doric-js/lib/src/widget/scroller.d.ts

@@ -1,4 +1,5 @@
 import { Superview, View, IView, NativeViewModel } from '../ui/view';
+import { BridgeContext } from '../runtime/global';
 export declare function scroller(content: View, config?: IScroller): Scroller;
 export interface IScroller extends IView {
     content?: View;
@@ -7,4 +8,8 @@ export declare class Scroller extends Superview implements IScroller {
     content: View;
     allSubviews(): View[];
     toModel(): NativeViewModel;
+    scrollTo(context: BridgeContext, offset: {
+        x: number;
+        y: number;
+    }, animated?: boolean): Promise<any>;
 }

doric-js/lib/src/widget/scroller.js

@@ -34,4 +34,7 @@ export class Scroller extends Superview {
         this.dirtyProps.content = this.content.viewId;
         return super.toModel();
     }
+    scrollTo(context, offset, animated) {
+        return this.nativeChannel(context, "scrollTo")({ offset, animated });
+    }
 }