Merge pull request #1 from amirgro/amirgro-patch-1

update VictoryAxisProps with invertAxis prop

types/victory/index.d.ts

@@ -764,6 +764,10 @@ declare module "victory" {
          * @default <GridLine/>
          */
         gridComponent?: React.ReactElement<any>;
+        /**
+         * If true, this value will flip the domain of a given axis.
+         */
+        invertAxis?: boolean;
         /**
          * The label prop defines the label that will appear along the axis. This
          * prop should be given as a value or an entire, HTML-complete label