Added Drupal styles workflow

Author: rimi-itk

docs/github-actions-templates.md

@@ -1,6 +1,6 @@
 <!-- DO NOT EDIT THIS FILE!
 
-It was automatically created at 2025-04-09T11:40:57+02:00
+It was automatically created at 2025-05-02T11:24:41+02:00
 by task/scripts/github-documentation-update
 based on /app/task/scripts/../templates/github-actions-templates.md
 -->
@@ -110,6 +110,19 @@ pull request).
 
 ---
 
+[github/workflows/drupal/styles.yaml](github/workflows/drupal/styles.yaml)
+
+### Styles (CSS and SCSS)
+
+Validates styles files.
+
+#### Assumptions
+
+1. A docker compose service named `prettier` for running
+   [Prettier](https://prettier.io/) exists.
+
+---
+
 [github/workflows/javascript.yaml](github/workflows/javascript.yaml)
 
 JavaScript (and TypeScript)
@@ -130,12 +143,6 @@ linted and how.
 
 ---
 
-[github/workflows/styles.yaml](github/workflows/styles.yaml)
-
-Styles (CSS and SCSS)
-
----
-
 [github/workflows/symfony/php.yaml](github/workflows/symfony/php.yaml)
 
 ### Symfony PHP

github/workflows/drupal/styles.yaml

@@ -0,0 +1,36 @@
+# Do not edit this file! Make a pull request on changing
+# github/workflows/styles.yaml in
+# https://github.com/itk-dev/devops_itkdev-docker if need be.
+
+### ### Styles (CSS and SCSS)
+###
+### Validates styles files.
+###
+### #### Assumptions
+###
+### 1. A docker compose service named `prettier` for running
+###    [Prettier](https://prettier.io/) exists.
+
+name: Styles
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+      - develop
+
+jobs:
+  styles-lint:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - run: |
+          docker network create frontend
+
+      - run: |
+          docker compose run --rm prettier 'web/themes/custom/**/css/**/*.css' --check