docs: runtime interpolation for AWS (#7859)

Co-authored-by: Ali Ibrahim <ibrahimalihc@users.noreply.github.com>

website/pages/docs/runtime/interpolation.mdx

@@ -242,6 +242,12 @@ Below is a table documenting common node properties:
       </td>
       <td>Instance type of the client (if on AWS EC2)</td>
     </tr>
+    <tr>
+      <td>
+        <code>{'${attr.platform.aws.placement.availability-zone}'}</code>
+      </td>
+      <td>Availability Zone of the client (if on AWS EC2)</td>
+    </tr>
     <tr>
       <td>
         <code>{'${attr.os.name}'}</code>
@@ -260,6 +266,8 @@ Below is a table documenting common node properties:
   </tbody>
 </table>
 
+The full list of node attributes can be obtained by running `nomad node status -verbose [node]`.
+
 Here are some examples of using node attributes and properties in a job file:
 
 ```hcl