test codespell

.gitlab-ci.yml

@@ -14,3 +14,13 @@ dune:git  gcc-9  C++20:
 dune:git  gcc-8  C++17:
   image: registry.dune-project.org/docker/ci/dune:git-debian-10-gcc-8-17
   script: duneci-standard-test
+
+
+# Check for spelling mistakes in text
+code-spelling-check:
+  stage: .pre
+  # Avoid the global 'before_script'
+  before_script: ""
+  image: registry.dune-project.org/docker/ci/debian:11
+  script:
+  - codespell