Adding upstream version 5.2.3+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

site/content/docs/versions.md

@@ -0,0 +1,27 @@
+---
+title: Versions
+description: An appendix of hosted documentation for nearly every release of Bootstrap, from v1 through v5.
+---
+
+{{< list-versions.inline >}}
+<div class="row">
+  {{- range $release := sort (index $.Site.Data "docs-versions") "group" "desc" }}
+  <div class="col-md-6 col-lg-4 col-xl mb-4">
+    <h2>{{ $release.group }}</h2>
+    <p>{{ $release.description }}</p>
+    {{- $versions := sort $release.versions "v" "desc" -}}
+    {{- range $i, $version := $versions }}
+      {{- $len := len $versions -}}
+      {{ if (eq $i 0) }}<div class="list-group">{{ end }}
+        <a class="list-group-item list-group-item-action py-2 text-primary{{ if (eq $version.v $.Site.Params.docs_version) }} d-flex justify-content-between align-items-center{{ end }}" href="{{ $release.baseurl }}/{{ $version.v }}/">
+          {{ $version.v }}
+          {{ if (eq $version.v $.Site.Params.docs_version) -}}
+          <span class="badge bg-primary">Latest</span>
+          {{- end }}
+        </a>
+      {{ if (eq (add $i 1) $len) }}</div>{{ end }}
+    {{ end -}}
+  </div>
+  {{ end -}}
+</div>
+{{< /list-versions.inline >}}