added missing ts type and extended react range version

Author: sagiv.bengiat

package.json

@@ -37,8 +37,8 @@
   },
   "peerDependencies": {
     "prop-types": "^15.5.4",
-    "react": "^15.0.0 || ^16.0.0",
-    "react-dom": "^15.0.0 || ^16.0.0",
+    "react": "^15.0.0 || ^17.0.0",
+    "react-dom": "^15.0.0 || ^17.0.0",
     "styled-components": "^5.1.0"
   },
   "devDependencies": {

src/react-elastic-carousel/index.d.ts

@@ -31,6 +31,8 @@ export interface ReactElasticCarouselProps {
   itemsToShow?: number;
   // Defaults to false
   verticalMode?: boolean;
+  // Defaults to false
+  isRTL: boolean,
   // Defaults to true
   pagination?: boolean;
   // Defaults to 500