.asf.yaml: introduce new .asf.yaml file

As per
https://cwiki.apache.org/confluence/display/INFRA/.asf.yaml+features+for+git+repositories

Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com>

.asf.yaml

@@ -0,0 +1,52 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# https://cwiki.apache.org/confluence/display/INFRA/git+-+.asf.yaml+features
+---
+github:
+  description: "Apache CloudStack is an opensource Infrastructure as a Service (IaaS) cloud computing platform"
+  homepage: https://cloudstack.apache.org/
+  labels:
+    - iaas
+    - cloud
+    - cloudstack
+    - infrastructure
+    - java
+    - python
+    - hosting
+    - kvm
+    - vsphere
+    - xenserver
+    - xcp-ng
+
+  features:
+    wiki: true
+    issues: true
+    projects: true
+
+  enabled_merge_buttons:
+    merge: false
+    squash: true
+    rebase: false
+
+  protected_branches:
+    main:
+      required_pull_request_reviews:
+        required_approving_review_count: 2
+
+  collaborators:
+    - acs-robot