Merge pull request #427 from marcinmajkowski/sprite-config-typings-fix

Add missing frameRate SpriteConfig typing and Sprite documentation entry

konva.d.ts

@@ -956,6 +956,7 @@ declare namespace Konva {
     animations: any;
     frameIndex?: number;
     image: HTMLImageElement;
+    frameRate?: number;
   }
 
   class Sprite extends Shape {

src/shapes/Sprite.js

@@ -10,6 +10,7 @@
    * @param {Object} config.animations animation map
    * @param {Integer} [config.frameIndex] animation frame index
    * @param {Image} config.image image object
+   * @param {Integer} [config.frameRate] animation frame rate
    * @@shapeParams
    * @@nodeParams
    * @example