Add example in getstarted

examples/getstarted/exports/graphql/schema.graphql

@@ -216,6 +216,7 @@ type Query {
   test(id: ID!): MypluginTest
   tests(sort: String, limit: Int, start: Int, where: JSON): [MypluginTest]
   me: UsersPermissionsMe
+  userCustomRoute: String
 }
 
 input RoleInput {

examples/getstarted/extensions/users-permissions/config/schema.graphql.js

@@ -0,0 +1,15 @@
+module.exports = {
+  query: `
+    userCustomRoute: String
+  `,
+  resolver: {
+    Query: {
+      userCustomRoute: {
+        resolver: {
+          plugin: 'users-permissions',
+          handler: 'UsersPermissions.customRoute',
+        },
+      },
+    },
+  },
+};