Merge pull request #86 from apache/migrate-gh-pages

switch GitHub pages to gh-pages branch
diff --git a/.asf.yaml b/.asf.yaml
index 3c754c3..e7d691f 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -8,5 +8,6 @@
     main:
       required_status_checks:
         strict: true
-  ghp_branch:  main
-  ghp_path:    /docs
+      required_linear_history: true
+    gh-pages: {}
+  ghp_branch: gh-pages