[web] Added link to job id which created the page.

web/config/_default/config.toml

@@ -120,3 +120,6 @@ post = "The OGS source code documentation is automatically generated right from
 name = "Styleguide"
 url = "https://ufz.github.io/styleguide/cppguide.xml"
 post = "OpenGeoSys C++ Style Guide"
+
+[security.funcs]
+getenv = ['^HUGO_', '^CI_']

web/layouts/partials/page-info.html

-<div class="mt-20 text-sm text-gray-700">
-    <p>This article was written by {{ .Params.Author }}. If you are missing something or you find an error please <a href="mailto:ogs-devs@googlegroups.com">let us know</a>.
-        Generated with <a href="https://gohugo.io">Hugo</a> {{ hugo.Version }}. Last revision: {{ .Lastmod.Format "January 2, 2006" }} {{ if .IsPage }}<em>
+{{ $job_url := os.Getenv "CI_JOB_URL" }}
+{{ $job_id := os.Getenv "CI_JOB_ID" }}
+<div class="mt-20 text-sm text-gray-700 prose prose-sm max-w-none">
+    <p>This article was written by {{ .Params.Author }}. If you are missing something or you find an error please <a href="mailto:ogs-devs@googlegroups.com">let us know</a>.<br>
+        Generated with <a href="https://gohugo.io">Hugo</a> {{ hugo.Version }}
+        {{ if $job_url }}
+          in CI job <a href="{{ $job_url }}">{{ $job_id }}</a>
+        {{ end }}
+        |
+        {{ if .IsPage }}
+        Last revision: {{ .Lastmod.Format "January 2, 2006" }}
+          <em>
             {{ with .GitInfo }}
                 <br>
                 Commit: {{ .Subject }} <a href="https://gitlab.opengeosys.org/ogs/ogs/-/commit/{{ .AbbreviatedHash }}">{{ .AbbreviatedHash }}</a>
+                &nbsp;| <a href="https://gitlab.opengeosys.org/ogs/ogs/-/edit/master/web/content/{{ $.File.Path }}">Edit this page on <i class="fab fa-gitlab"></i></a>
             {{ end }}
-            {{if .GitInfo}}
-                &nbsp;| <a href="https://gitlab.opengeosys.org/ogs/ogs/-/edit/master/web/content/{{ .File.Path }}">Edit this page on <i class="fab fa-gitlab"></i></a>
-            {{ end }}
-            </em> {{ end }}
+          </em>
+        {{ end }}
     </p>
 </div>