Add URL checker to doctest workflow

.github/workflows/doctest.yml

@@ -19,3 +19,29 @@ jobs:
       - name: Doc Tests
         shell: bash -l {0}
         run: sphinx-build -b doctest docs/source docs/_build/doctest
+      - name: urls-checker
+        uses: urlstechie/urlchecker-action@master
+        with:
+         # A subfolder or path to navigate to in the present or cloned repository
+          subfolder: docs
+
+          # A comma-separated list of file types to cover in the URL checks
+          file_types: .md,.py,.rst
+
+          # Choose whether to include file with no URLs in the prints.
+          print_all: false
+
+          # The timeout seconds to provide to requests, defaults to 5 seconds
+          timeout: 5
+
+          # How many times to retry a failed request (each is logged, defaults to 1)
+          retry_count: 3
+
+          # A comma separated links to exclude during URL checks
+          exclude_urls: https://www.lspm.cnrs.fr/en/home/
+
+          # A comma separated patterns to exclude during URL checks
+          exclude_patterns:
+
+          # choose if the force pass or not
+          force_pass : false