[KYUUBI #778] [BUILD] Enable .asf.yaml features

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### _Why are the changes needed?_
<!--
Please clarify why the changes are needed. For instance,
  1. If you add a feature, you can talk about the use case of it.
  2. If you fix a bug, you can clarify why it is a bug.
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Follow https://cwiki.apache.org/confluence/display/INFRA/git+-+.asf.yaml+features to enable `.asf.yaml` with some Github features
- desc
- homepage
- tags/labels
- merge buttons - squash only
- set master as protected, which need at least 1 approval before getting merged
- enabling Github issuses
- notifications w/ mailing lists

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/tools/testing.html#running-tests) locally before make a pull request

Closes #778 from yaooqinn/asf.

Closes #778

e0338aca [Kent Yao] [BUILD] Enable .asf.yaml features
6a890640 [Kent Yao] [BUILD] Enable .asf.yaml features

Authored-by: Kent Yao <yao@apache.org>
Signed-off-by: Kent Yao <yao@apache.org>

.asf.yaml

@@ -0,0 +1,54 @@
+#
+# 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.
+#
+
+# See: https://cwiki.apache.org/confluence/display/INFRA/git+-+.asf.yaml+features
+
+github:
+  description: "Apache Kyuubi is a distributed multi-tenant JDBC server for large-scale data processing and analytics, built on top of Apache Spark"
+  homepage: https://kyuubi.apache.org/
+  labels:
+    - spark
+    - jdbc
+    - thrift
+    - data-lake
+    - spark-sql
+    - hadoop
+    - hive
+    - sql
+    - kubernetes
+  enabled_merge_buttons:
+    squash: true
+    merge: false
+    rebase: false
+  protected_branches:
+    master:
+      required_status_checks:
+        strict: true
+      required_pull_request_reviews:
+        dismiss_stale_reviews: true
+        required_approving_review_count: 1
+  features:
+    issues: true
+    discussions: true
+    wiki: false
+    projects: false
+  notifications:
+    commits: commits@kyuubi.apache.org
+    issues: dev@kyuubi.apache.org
+    # Redirect notifications for pull requests to commits to reduce noise
+    # as we can link a pull request to the corresponding issue to sync key information
+    pullrequests: commits@kyuubi.apache.org