docs: update example for requesting export

Author: froesecom

README.md

@@ -43,6 +43,7 @@ if (response.ok) {
 See [Datarock's Public API documentation](https://api-docs.prod.datarock.com.au/index.html) to understand the API interface and return values.
 
 ### Projects
+---
 
 **ListProjectsCommand\<void\>: Promise\<Response\>**
 
@@ -51,6 +52,7 @@ List projects asssociated with your account
 `new ListProjectsCommand()`
 
 ### Holes
+---
 
 **ListHolesCommand\<{projectUuid}\>: Promise\<Response\>**
 
@@ -61,6 +63,9 @@ const projectUuid = "some-uuid" // project uuids can be deduced from the ListPro
 new ListHolesCommand({projectUuid})
 ```
 
+### Exports
+---
+
 **CreateExportCommand\<{projectUuid, holeIds, lastUpdatedSince, lastUpdatedBefore, artefactType}\>:
   Promise\<Response\>**
 
@@ -69,6 +74,7 @@ Request an export for a set of holes, for a given resource.
 ```
 const projectUuid = "some-uuid" // project uuids can be deduced from the ListProjectsCommand
 const artefactType = "depth_registration" // see Datarock API documentation for list of resources
+const holeIds = ["foo", "bar"] // can be deduced from the ListHolesCommand
 const lastUpdatedBefore = Date.now()
 const DAY_IN_MILLISECONDS = 24 * 60 * 60 * 1000
 // yesterday (not accounting for day light savings, etc)