fix(js): add missing onStartShouldSetResponder function (#342)

Author: mlecoq

src/types.ts

@@ -104,6 +104,15 @@ export interface PagerViewProps {
     event: ReactNative.GestureResponderEvent
   ) => boolean;
 
+  /**
+   * Does this view want to become responder on the start of a touch?
+   *
+   * See https://reactnative.dev/docs/view#onstartshouldsetrespondercapture
+   */
+  onStartShouldSetResponder?: (
+    event: ReactNative.GestureResponderEvent
+  ) => boolean;
+
   /**
    * iOS only
    */