Layout-Umbauten:

- Standartisierung der Karten-/Template-Elemente (schließt #224)
- Verbesserung einiger Ansichten
- "schrumpfung"
- Code-Cleanups
- Trabsliteration Kategorien
u. v. m.

layouts/_default/card-ct.html

@@ -0,0 +1,8 @@
+<div class="card border-primary rounded-0 hover-shadow mb-4">
+  <a href="{{ .Permalink }}"><img class="card-img-top rounded-0" src="{{ .Params.Image | relURL }}" alt="{{ .Title }}"></a>
+  <div class="card-body">
+    <div class="row col-12 mb-3"><i class="mdi mdi-bookmark-outline mr-2"></i>{{ .Params.category }}</div>
+    <h4 class="card-title"><a href="{{ .Permalink }}">{{ .Title | truncate 20 }}</a></h4>
+    <a href="{{ .Permalink }}" class="btn btn-primary btn-sm text-uppercase" data-pagefind-ignore>{{ i18n "read_more"}}</a>
+  </div>
+</div>