Fixing missing React dependencies

Author: alexlanz

package.json

@@ -41,6 +41,8 @@
     "@types/jest": "^26.0.14",
     "@typescript-eslint/parser": "^4.3.0",
     "@typescript-eslint/eslint-plugin": "^4.3.0",
+    "react": "^16.13.1",
+    "react-dom": "^16.13.1",
     "axios": "^0.20.0",
     "jest": "^26.4.2",
     "eslint": "^7.10.0",