Add cookie consent

Author: Larocceau

mkdocs.yml

@@ -42,6 +42,13 @@ extra:
   analytics:
     provider: google
     property: G-WED2S9FLSL
+  consent:
+    title: Cookie consent
+    description: >- # (1)!
+      We use cookies to recognize your repeated visits and preferences, as well
+      as to measure the effectiveness of our documentation and whether users
+      find what they're searching for. With your consent, you're helping us to
+      make our documentation better.
 
 nav:
   - Home: "index.md"