added loom video

docs/managed-datahub/slack/saas-slack-setup.md

@@ -6,6 +6,11 @@ import FeatureAvailability from '@site/src/components/FeatureAvailability';
 
 ## Install the DataHub Slack App into your Slack workspace
 
+
+### Video Walkthrough
+<div style="position: relative; padding-bottom: 64.67065868263472%; height: 0;"><iframe src="https://www.loom.com/embed/af6fcfd435cf4993b79a0c8e13aecaaa?sid=93f2a66b-1362-4809-996b-5abb399f82dd" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;"></iframe></div>
+
+### Step-by-step guide
 The following steps should be performed by a Slack Workspace Admin. 
 1. Navigate to https://api.slack.com/reference/manifests#config-tokens
 2. Under **Managing configuration tokens**, select **'Generate Token'**