package.json file updated

Author: pratapshiv1992

package.json

@@ -26,6 +26,7 @@
     "@material-ui/core": "^3.9.2",
     "@material-ui/icons": "^3.0.2",
     "body-parser": "^1.19.0",
+    "classnames": "^2.2.6",
     "cors": "^2.8.5",
     "express": "^4.17.1",
     "firebase": "^5.8.5",