Use .asf.yaml to configure github repo (apache#216)

Author: sijie

.asf.yaml

@@ -0,0 +1,45 @@
+#
+# 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.
+#
+
+github:
+  description: "Apache Pulsar Go Client Library"
+  homepage: https://pulsar.apache.org/
+  labels:
+    - pulsar
+    - pubsub
+    - messaging
+    - streaming
+    - queuing
+    - event-streaming
+    - golang
+    - go
+  features:
+    # Enable wiki for documentation
+    wiki: true
+    # Enable issues management
+    issues: true
+    # Enable projects for project management boards
+    projects: true
+  enabled_merge_buttons:
+    # enable squash button:
+    squash:  true
+    # disable merge button:
+    merge:   false
+    # disable rebase button:
+    rebase:  false