Setup Vale with a minimal configuration

.github/workflows/style_docstr.yml

@@ -0,0 +1,28 @@
+# check spelling, codestyle
+name: Style and Docstring Check
+
+on: [pull_request, workflow_dispatch]
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+jobs:
+  vale:
+    name: Vale
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      # this is equivalent to
+      # vale --config doc/.vale.ini doc pyvista examples
+      - name: "Run Vale"
+        uses: errata-ai/vale-action@reviewdog
+        with:
+          files: '["doc", "src", "examples"]'
+          vale_flags: "--config=doc/.vale.ini"
+          reporter: github-pr-check
+          level: error
+          filter_mode: nofilter
+          fail_on_error: true
+          version: 2.29.5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}