Update docs for GDPR/Cookies Consent integrations

integrations/privacy/overview.mdx

@@ -24,3 +24,17 @@
 ```
 
 If you'd like to request a data privacy platform integration, please let us know in [our community](https://mintlify.com/community).
+
+## Disabling Mintlify Data Collection
+
+We collect data to improve your experience with Posthog.
+
+If you'd like to opt out of sending usage data or need to disable the data collection cookie for GDPR compliance, you can do so by adding the following to your `docs.json` file:
+
+```json
+  "integrations": {
+    "telemetry": {
+      "enabled": false
+    }
+  }
+```