added react router hash link

package.json

@@ -30,6 +30,7 @@
     "react-recaptcha": "^2.3.10",
     "react-responsive-carousel": "^3.2.10",
     "react-router-dom": "^5.1.2",
+    "react-router-hash-link": "^2.3.1",
     "react-scripts": "^2.1.8",
     "react-star-ratings": "^2.3.0",
     "styled-components": "^4.4.1",