Updating readme

README.md

@@ -4,10 +4,15 @@ Shared theme for Posit product documentation
 
 ## Usage
 
+---
+**IMPORTANT - Change in Google Analytics Policy:** New documentation sites are not permitted to use Google Analytics due to a Posit Cookie Consent policy. Version 5+ of the theme disables Google Analytics by default. If your existing site is already using Google Analytics, uncomment the ` # include-in-header: "assets/_analytics.html"` line in the `_extension.yml` file.
+
+---
+
 First, install the extension:
 
 ```bash
-quarto add posit-dev/product-doc-theme@v4.0.2
+quarto add posit-dev/product-doc-theme@v5.0.1
 ```
 
 Next, update your project type and format in `_quarto.yml`: