chore: update docs/dyn/index.md

Author: yoshi-automation

docs/dyn/index.md

@@ -49,6 +49,10 @@
 * [v4.1](http://googleapis.github.io/google-api-python-client/docs/dyn/adsensehost_v4_1.html)
 
 
+## adsenseplatform
+* [v1alpha](http://googleapis.github.io/google-api-python-client/docs/dyn/adsenseplatform_v1alpha.html)
+
+
 ## advisorynotifications
 * [v1](http://googleapis.github.io/google-api-python-client/docs/dyn/advisorynotifications_v1.html)
 
@@ -410,6 +414,10 @@
 * [v1](http://googleapis.github.io/google-api-python-client/docs/dyn/contentwarehouse_v1.html)
 
 
+## css
+* [v1](http://googleapis.github.io/google-api-python-client/docs/dyn/css_v1.html)
+
+
 ## customsearch
 * [v1](http://googleapis.github.io/google-api-python-client/docs/dyn/customsearch_v1.html)