Replaced react-loadable with @loadable/component

package.json

@@ -27,6 +27,7 @@
     "@babel/core": "^7.12.10",
     "@babel/preset-env": "^7.12.11",
     "@babel/preset-react": "^7.12.10",
+    "@loadable/component": "^5.14.1",
     "babel-loader": "^8.2.2",
     "clean-webpack-plugin": "^3.0.0",
     "concurrently": "^5.3.0",
@@ -41,7 +42,6 @@
     "react": "^17.0.1",
     "react-dom": "^17.0.1",
     "react-dropdown-select": "^4.7.4",
-    "react-loadable": "^5.5.0",
     "react-markdown": "^5.0.3",
     "react-router": "^5.2.0",
     "react-router-dom": "^5.2.0",