add a sample AuthorizationServer to the repo and put traffic-police app in a separate folder

React/traffic-police/src/pages/signout-oidc.js

@@ -0,0 +1,22 @@
+import React, { useEffect } from 'react'
+import { signoutRedirectCallback } from '../services/userService'
+import { useHistory } from 'react-router-dom'
+
+function SignoutOidc() {
+  const history = useHistory()
+  useEffect(() => {
+    async function signoutAsync() {
+      await signoutRedirectCallback()
+      history.push('/')
+    }
+    signoutAsync()
+  }, [history])
+
+  return (
+    <div>
+      Redirecting...
+    </div>
+  )
+}
+
+export default SignoutOidc