Add link to 3rdparty docs

diff --git a/README.md b/README.md
index c4427eb7616fb0ba375e2580e0ba222dba134c18..ed8696b0701bfc0956196818f22ee2d8f1b20323 100644 (file)
--- a/README.md
+++ b/README.md
@@ -6,7 +6,8 @@ Policies can be specified using the [Group Policy templates on Windows](https://
 
 | Policy Name | Description
 | --- | --- |
-| **[`AppAutoUpdate`](#appautoupdate)** |  Enable or disable automatic application update.
+| **[`3rdparty`](#3rdparty)** | Set policies that WebExtensions can access via chrome.storage.managed.
+| **[`AppAutoUpdate`](#appautoupdate)** | Enable or disable automatic application update.
 | **[`AppUpdateURL`](#appupdateurl)** | Change the URL for application update.
 | **[`Authentication`](#authentication)** | Configure sites that support integrated authentication.
 | **[`BlockAboutAddons`](#blockaboutaddons)** | Block access to the Add-ons Manager (about:addons).
@@ -97,6 +98,10 @@ Policies can be specified using the [Group Policy templates on Windows](https://
 | **[`UserMessaging`](#usermessaging)** | Don't show certain messages to the user.
 | **[`WebsiteFilter`](#websitefilter)** | Block websites from being visited.
 
+### 3rdparty
+
+Allow WebExtensions to configure policy. For more information, see [Adding policy support to your extension](https://extensionworkshop.com/documentation/enterprise/adding-policy-support-to-your-extension/).
+
 ### AppAutoUpdate
 
 Enable or disable **automatic** application update.