ci: added markdown linting

.github/workflows/lint-markdown.yaml

@@ -0,0 +1,49 @@
+#********************************************************************************
+# Copyright (c) 2022 Mercedes-Benz Tech Innovation GmbH
+# Copyright (c) 2022 Contributors to the Eclipse Foundation
+# Copyright (c) 2023 Volkswagen AG
+# Copyright (c) 2023 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
+# (represented by Fraunhofer ISST)
+#
+# See the NOTICE file(s) distributed with this work for additional
+# information regarding copyright ownership.
+#
+# This program and the accompanying materials are made available under the
+# terms of the Apache License, Version 2.0 which is available at
+# https://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.
+#
+# SPDX-License-Identifier: Apache-2.0
+#*******************************************************************************/
+
+name: Markdown linting for documentation
+
+on:
+    pull_request:
+        branches:
+            - main
+
+# This job will run markdown linting to ensure uniform .md style
+jobs:
+    lint:
+        if: github.repository_owner == 'eclipse-tractusx' # prevent running on forks
+        name: Run markdown lint
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+
+            - uses: actions/setup-node@v3
+              with:
+                  node-version: 16
+                  cache: npm
+
+            - name: Install dependencies
+              run: npm ci
+
+            - name: Run markdown lint
+              run: npm run lint-doc