Add react-content-loader

package.json

@@ -116,6 +116,7 @@
     "qrcode.react": "^1.0.0",
     "react": "^16.13.1",
     "react-color": "^2.18.1",
+    "react-content-loader": "^6.0.3",
     "react-datepicker": "^4.1.1",
     "react-dom": "^16.13.1",
     "react-helmet": "^6.0.0",

yarn.lock

@@ -7757,6 +7757,11 @@ react-color@^2.18.1:
     reactcss "^1.2.0"
     tinycolor2 "^1.4.1"
 
+react-content-loader@^6.0.3:
+  version "6.0.3"
+  resolved "https://registry.yarnpkg.com/react-content-loader/-/react-content-loader-6.0.3.tgz#32e28ca7120e0a2552fc26655d0d4448cc1fc0c5"
+  integrity sha512-CIRgTHze+ls+jGDIfCitw27YkW2XcaMpsYORTUdBxsMFiKuUYMnlvY76dZE4Lsaa9vFXVw+41ieBEK7SJt0nug==
+
 react-datepicker@^4.1.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/react-datepicker/-/react-datepicker-4.2.1.tgz#72caf5055bc7c4eb0279c1f6d7624ded053edc4c"