Merge pull request #24 from apache/wu-sheng-patch-1

Make merge policy strict
diff --git a/.asf.yaml b/.asf.yaml
index 55a616c..90b4eea 100644
--- a/.asf.yaml
+++ b/.asf.yaml
@@ -25,4 +25,17 @@
     - distributed-tracing
     - dapper
     - javascript
-    - web-performance
\ No newline at end of file
+    - web-performance
+  enabled_merge_buttons:
+    squash:  true
+    merge:   false
+    rebase:  false
+  protected_branches:
+    master:
+      required_status_checks:
+        strict: true
+        contexts:
+          - build
+      required_pull_request_reviews:
+        dismiss_stale_reviews: true
+        required_approving_review_count: 1