Add minimum page count to .asf.yaml
diff --git a/.asf.yaml b/.asf.yaml
index 4c4c37e..5e9220c 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -14,6 +14,7 @@
   autobuild: preview/*
   target: asf-site
   theme: theme/apache
+  minimum_page_count: 200
   whoami: main
 
 staging: