Feature: add world map of contributors to shardingsphere project

.github/workflows/contributors-map.yaml

@@ -0,0 +1,32 @@
+#
+# 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.
+#
+
+name: Create Contributor Map
+
+on:
+  schedule:
+    - cron: '0 16 */1 * *'  # once a day. UTC time
+
+jobs:
+  generate-image:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Contributor Map
+        uses: tunaitis/contributor-map@v1
+        with:
+          repository: apache/shardingsphere
+          output: docs/contributor-map.svg

README.md

@@ -22,6 +22,8 @@
 |:---------------------------------------------------------------------------------------------------------------------:|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------:|
 | [![Stargazers Over Time](https://starchart.cc/apache/shardingsphere.svg)](https://starchart.cc/apache/shardingsphere) | [![Contributor over time](https://contributor-graph-api.apiseven.com/contributors-svg?chart=contributorOverTime&repo=apache/shardingsphere)](https://www.apiseven.com/en/contributor-graph?chart=contributorOverTime&repo=apache/shardingsphere) |
 
+![Contributors Map](./docs/contributor-map.svg)
+
 ### OVERVIEW
 
 <hr>