add steps for connecting repos

Author: ethanpalm

ai/agent.mdx

@@ -19,9 +19,7 @@ Use the agent to:
 
 To get started, add the agent to your Slack workspace and mention it with `@mintlify` in a channel.
 
-## Configure the agent
-
-### Add Agent to your Slack workspace
+## Add Agent to your Slack workspace
 
 <Note>
   If your Slack Workspace Owner requires admin approval to install apps, ask them to approve the TODO: (confirm app name) MintlifyWriter app before you add it.
@@ -34,9 +32,9 @@ TODO: confirm steps
   - Send a direct message to it.
   - Mention it with `@mintlify` in a channel.
 
-### Give the agent access to your repositories
-
-TODO: once workflow is finalized
+## Connect repositories as context
+TODO: revisit when UI is finalized
+The agent can only access GitHub repositories that you grant it access to. You can modify which repositories the agent can access in the [GitHub App settings](https://github.com/apps/mintlify/installations/new).
 
 ## Embed the agent via API
 TODO: this whole section once the API is finalized