[FLINK-34953][ci] Add github ci for flink-web to auto commit build files

Author: GOODBOY008

.github/workflows/docs.yml

@@ -0,0 +1,68 @@
+# 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: "Flink WeB CI"
+on:
+  pull_request:
+    branches:
+      - asf-site
+  push:
+    branches:
+      - asf-site
+  workflow_dispatch:
+
+jobs:
+  build-documentation:
+    if: github.repository == 'apache/flink-web'
+    runs-on: ubuntu-latest
+    permissions:
+      # Give the default GITHUB_TOKEN write permission to commit and push the changed files back to the repository.
+      contents: write
+    steps:
+        - name: Checkout repository
+          uses: actions/checkout@v4
+          with:
+            submodules: true
+            fetch-depth: 0
+
+        - name: Setup Hugo
+          uses: peaceiris/actions-hugo@v3
+          with:
+            hugo-version: '0.119.0'
+            extended: true
+
+        - name: Build website
+          run: |
+            # Remove old content folder and create new one
+            rm -r -f content && mkdir content
+
+            # Build the website
+            hugo --source docs --destination target
+
+            # Move newly generated static HTML to the content serving folder
+            mv docs/target/* content
+
+            # Copy quickstarts, rewrite rules and Google Search Console identifier
+            cp -r _include/. content
+            
+            #Get the current commit author
+            echo "author=$(git log -1 --pretty=\"%an <%ae>\")" >> $GITHUB_OUTPUT
+
+        - name: Commit and push website build
+          if: ${{ github.event_name == 'push' }}
+          uses: stefanzweifel/git-auto-commit-action@v5
+          with:
+            commit_author: ${{ steps.last-commit.outputs.author }}
+            commit_message: Rebuild website